* Mother of all commits:

* Cleaned up copyright notices in AssemblyInfo.cs's
* Added Copyright headers to a bunch of files missing them
* Replaced several common string instances with a static constant to prevent reallocation of the same strings thousands of times. "" -> String.Empty is the first such candidate.

57 files changed, 465 insertions, 282 deletions

diff --git a/OpenSim/Framework/AgentCircuitData.cs b/OpenSim/Framework/AgentCircuitData.cs
index 65a072f..43ade36 100644
--- a/OpenSim/Framework/AgentCircuitData.cs
+++ b/OpenSim/Framework/AgentCircuitData.cs
@@ -61,7 +61,7 @@ namespace OpenSim.Framework
         public bool child;
         public LLUUID InventoryFolder;
         public LLUUID BaseFolder;
-        public string CapsPath = "";
+        public string CapsPath = String.Empty;
     }
 
     [Serializable]
@@ -100,6 +100,6 @@ namespace OpenSim.Framework
         public bool child;
         public Guid InventoryFolder;
         public Guid BaseFolder;
-        public string CapsPath = "";
+        public string CapsPath = String.Empty;
     }
 }
\ No newline at end of file
diff --git a/OpenSim/Framework/AgentInventory.cs b/OpenSim/Framework/AgentInventory.cs
index 84a782b..83040a3 100644
--- a/OpenSim/Framework/AgentInventory.cs
+++ b/OpenSim/Framework/AgentInventory.cs
@@ -234,7 +234,7 @@ namespace OpenSim.Framework
         public LLUUID CreatorID;
         public sbyte InvType;
         public sbyte Type;
-        public string Name = "";
+        public string Name = System.String.Empty;
         public string Description;
 
         public InventoryItem()
@@ -245,7 +245,7 @@ namespace OpenSim.Framework
         public string ExportString()
         {
             string typ = "notecard";
-            string result = "";
+            string result = System.String.Empty;
             result += "\tinv_object\t0\n\t{\n";
             result += "\t\tobj_id\t%s\n";
             result += "\t\tparent_id\t" + ItemID.ToString() + "\n";
diff --git a/OpenSim/Framework/AssemblyInfo.cs b/OpenSim/Framework/AssemblyInfo.cs
index b3206a7..1507d67 100644
--- a/OpenSim/Framework/AssemblyInfo.cs
+++ b/OpenSim/Framework/AssemblyInfo.cs
@@ -1,3 +1,31 @@
+/*
+* Copyright (c) Contributors, http://opensimulator.org/
+* See CONTRIBUTORS.TXT for a full list of copyright holders.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*     * Redistributions of source code must retain the above copyright
+*       notice, this list of conditions and the following disclaimer.
+*     * Redistributions in binary form must reproduce the above copyright
+*       notice, this list of conditions and the following disclaimer in the
+*       documentation and/or other materials provided with the distribution.
+*     * Neither the name of the OpenSim Project nor the
+*       names of its contributors may be used to endorse or promote products
+*       derived from this software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+* 
+*/
+
 using System.Reflection;
 using System.Runtime.InteropServices;
 
@@ -10,7 +38,7 @@ using System.Runtime.InteropServices;
 [assembly : AssemblyConfiguration("")]
 [assembly : AssemblyCompany("")]
 [assembly : AssemblyProduct("OpenSim.FrameWork")]
-[assembly : AssemblyCopyright("Copyright ©  2007")]
+[assembly : AssemblyCopyright("Copyright © OpenSimulator.org Developers 2007-2008")]
 [assembly : AssemblyTrademark("")]
 [assembly : AssemblyCulture("")]
 
diff --git a/OpenSim/Framework/AssetBase.cs b/OpenSim/Framework/AssetBase.cs
index 2bef61b..aa33f63 100644
--- a/OpenSim/Framework/AssetBase.cs
+++ b/OpenSim/Framework/AssetBase.cs
@@ -37,8 +37,8 @@ namespace OpenSim.Framework
         public LLUUID FullID;
         public sbyte Type;
         public sbyte InvType;
-        public string Name = "";
-        public string Description = "";
+        public string Name = String.Empty;
+        public string Description = String.Empty;
         public bool Local = false;
         public bool Temporary = false;
 
diff --git a/OpenSim/Framework/AssetConfig.cs b/OpenSim/Framework/AssetConfig.cs
index f85129b..9989bfd 100644
--- a/OpenSim/Framework/AssetConfig.cs
+++ b/OpenSim/Framework/AssetConfig.cs
@@ -26,6 +26,8 @@
 * 
 */
 
+using System;
+
 namespace OpenSim.Framework
 {
     /// <summary>
@@ -33,9 +35,9 @@ namespace OpenSim.Framework
     /// </summary>
     public class AssetConfig
     {
-        public string DefaultStartupMsg = "";
+        public string DefaultStartupMsg = String.Empty;
 
-        public string DatabaseProvider = "";
+        public string DatabaseProvider = String.Empty;
 
         public static uint DefaultHttpPort = 8003;
         public uint HttpPort = DefaultHttpPort;
diff --git a/OpenSim/Framework/AssetLoader/Filesystem/AssetLoaderFileSystem.cs b/OpenSim/Framework/AssetLoader/Filesystem/AssetLoaderFileSystem.cs
index d6ce0c5..59db3d6 100644
--- a/OpenSim/Framework/AssetLoader/Filesystem/AssetLoaderFileSystem.cs
+++ b/OpenSim/Framework/AssetLoader/Filesystem/AssetLoaderFileSystem.cs
@@ -99,7 +99,7 @@ namespace OpenSim.Framework.AssetLoader.Filesystem
                     
                     for (int i = 0; i < source.Configs.Count; i++)
                     {
-                        assetSetPath = source.Configs[i].GetString("file", "");
+                        assetSetPath = source.Configs[i].GetString("file", String.Empty);
                         
                         LoadXmlAssetSet(Path.Combine(Util.assetsDir(), assetSetPath), assets);
                     }
@@ -138,10 +138,10 @@ namespace OpenSim.Framework.AssetLoader.Filesystem
                     for (int i = 0; i < source.Configs.Count; i++)
                     {
                         string assetIdStr = source.Configs[i].GetString("assetID", LLUUID.Random().ToString());
-                        string name = source.Configs[i].GetString("name", "");
+                        string name = source.Configs[i].GetString("name", String.Empty);
                         sbyte type = (sbyte) source.Configs[i].GetInt("assetType", 0);
                         sbyte invType = (sbyte) source.Configs[i].GetInt("inventoryType", 0);
-                        string assetPath = Path.Combine(dir, source.Configs[i].GetString("fileName", ""));
+                        string assetPath = Path.Combine(dir, source.Configs[i].GetString("fileName", String.Empty));
 
                         AssetBase newAsset = CreateAsset(assetIdStr, name, assetPath, false);
 
diff --git a/OpenSim/Framework/Communications/CAPSService.cs b/OpenSim/Framework/Communications/CAPSService.cs
index 40f4006..59cfc06 100644
--- a/OpenSim/Framework/Communications/CAPSService.cs
+++ b/OpenSim/Framework/Communications/CAPSService.cs
@@ -48,7 +48,7 @@ namespace OpenSim.Framework.Communications
         public string CapsRequest(string request, string path, string param)
         {
             System.Console.WriteLine("new caps request " + request + " from path " + path);
-            return "";
+            return System.String.Empty;
         }
     }
 }
\ No newline at end of file
diff --git a/OpenSim/Framework/Communications/Cache/AssetCache.cs b/OpenSim/Framework/Communications/Cache/AssetCache.cs
index 988c558..6d9a0d6 100644
--- a/OpenSim/Framework/Communications/Cache/AssetCache.cs
+++ b/OpenSim/Framework/Communications/Cache/AssetCache.cs
@@ -208,7 +208,7 @@ namespace OpenSim.Framework.Communications.Cache
         /// <param name="asset"></param>
         public void AddAsset(AssetBase asset)
         {
-            string temporary = asset.Temporary ? "temporary" : "";
+            string temporary = asset.Temporary ? "temporary" : String.Empty;
             string type = asset.Type == 0 ? "texture" : "asset";
 
             string result = "Ignored";
diff --git a/OpenSim/Framework/Communications/Cache/AssetTransactions.cs b/OpenSim/Framework/Communications/Cache/AssetTransactions.cs
index dd1f8ba..74e2093 100644
--- a/OpenSim/Framework/Communications/Cache/AssetTransactions.cs
+++ b/OpenSim/Framework/Communications/Cache/AssetTransactions.cs
@@ -123,8 +123,8 @@ namespace OpenSim.Framework.Communications.Cache
             public LLUUID TransactionID = LLUUID.Zero;
             public bool UploadComplete;
             public ulong XferID;
-            private string m_name = "";
-            private string m_description = "";
+            private string m_name = String.Empty;
+            private string m_description = String.Empty;
             private sbyte type = 0;
             private sbyte invType = 0;
             private uint nextPerm = 0;
@@ -331,12 +331,12 @@ namespace OpenSim.Framework.Communications.Cache
             // Fields
             private BaseHttpServer httpListener;
             private LLUUID inventoryItemID;
-            private string m_assetDescription = "";
-            private string m_assetName = "";
+            private string m_assetDescription = String.Empty;
+            private string m_assetName = String.Empty;
             private LLUUID m_folderID;
             private LLUUID newAssetID;
             private bool m_dumpImageToFile;
-            private string uploaderPath = "";
+            private string uploaderPath = String.Empty;
 
             // Events
             public event UpLoadedAsset OnUpLoad;
@@ -367,7 +367,7 @@ namespace OpenSim.Framework.Communications.Cache
             public string uploaderCaps(byte[] data, string path, string param)
             {
                 LLUUID inventoryItemID = this.inventoryItemID;
-                string text = "";
+                string text = String.Empty;
                 LLSDAssetUploadComplete complete = new LLSDAssetUploadComplete();
                 complete.new_asset = newAssetID.ToString();
                 complete.new_inventory_item = inventoryItemID;
@@ -380,7 +380,7 @@ namespace OpenSim.Framework.Communications.Cache
                 }
                 if (OnUpLoad != null)
                 {
-                    OnUpLoad(m_assetName, "description", newAssetID, inventoryItemID, LLUUID.Zero, data, "", "");
+                    OnUpLoad(m_assetName, "description", newAssetID, inventoryItemID, LLUUID.Zero, data, String.Empty, String.Empty);
                 }
                 return text;
             }
@@ -391,10 +391,10 @@ namespace OpenSim.Framework.Communications.Cache
             // Fields
             private BaseHttpServer httpListener;
             private LLUUID inventoryItemID;
-            private string m_assetName = "";
+            private string m_assetName = String.Empty;
             private LLUUID newAssetID;
             private bool SaveImages = false;
-            private string uploaderPath = "";
+            private string uploaderPath = String.Empty;
 
             // Events
             public event UpLoadedAsset OnUpLoad;
@@ -420,7 +420,7 @@ namespace OpenSim.Framework.Communications.Cache
             public string uploaderCaps(byte[] data, string path, string param)
             {
                 LLUUID inventoryItemID = this.inventoryItemID;
-                string text = "";
+                string text = String.Empty;
                 LLSDAssetUploadComplete complete = new LLSDAssetUploadComplete();
                 complete.new_asset = newAssetID.ToString();
                 complete.new_inventory_item = inventoryItemID;
@@ -433,7 +433,7 @@ namespace OpenSim.Framework.Communications.Cache
                 }
                 if (OnUpLoad != null)
                 {
-                    OnUpLoad(m_assetName, "description", newAssetID, inventoryItemID, LLUUID.Zero, data, "", "");
+                    OnUpLoad(m_assetName, "description", newAssetID, inventoryItemID, LLUUID.Zero, data, String.Empty, String.Empty);
                 }
                 return text;
             }
diff --git a/OpenSim/Framework/Communications/Cache/LibraryRootFolder.cs b/OpenSim/Framework/Communications/Cache/LibraryRootFolder.cs
index 46ae9ce..ae07898 100644
--- a/OpenSim/Framework/Communications/Cache/LibraryRootFolder.cs
+++ b/OpenSim/Framework/Communications/Cache/LibraryRootFolder.cs
@@ -152,13 +152,13 @@ namespace OpenSim.Framework.Communications.Cache
         {
             string foldersPath 
                 = Path.Combine(
-                    Util.inventoryDir(), config.GetString("foldersFile", ""));
+                    Util.inventoryDir(), config.GetString("foldersFile", System.String.Empty));
             
             LoadFromFile(foldersPath, "Library folders", ReadFolderFromConfig);
             
             string itemsPath 
                 = Path.Combine(
-                    Util.inventoryDir(), config.GetString("itemsFile", ""));
+                    Util.inventoryDir(), config.GetString("itemsFile", System.String.Empty));
             
             LoadFromFile(itemsPath, "Library items", ReadItemFromConfig);
         }
@@ -210,8 +210,8 @@ namespace OpenSim.Framework.Communications.Cache
             item.inventoryID = new LLUUID(config.GetString("inventoryID", folderID.ToString()));
             item.assetID = new LLUUID(config.GetString("assetID", LLUUID.Random().ToString()));
             item.parentFolderID = new LLUUID(config.GetString("folderID", folderID.ToString()));
-            item.inventoryDescription = config.GetString("description", "");
-            item.inventoryName = config.GetString("name", "");
+            item.inventoryDescription = config.GetString("description", System.String.Empty);
+            item.inventoryName = config.GetString("name", System.String.Empty);
             item.assetType = config.GetInt("assetType", 0);
             item.invType = config.GetInt("inventoryType", 0);
             item.inventoryCurrentPermissions = (uint)config.GetLong("currentPermissions", 0x7FFFFFFF);
diff --git a/OpenSim/Framework/Communications/Capabilities/Caps.cs b/OpenSim/Framework/Communications/Capabilities/Caps.cs
index 74d8125..f85b4ab 100644
--- a/OpenSim/Framework/Communications/Capabilities/Caps.cs
+++ b/OpenSim/Framework/Communications/Capabilities/Caps.cs
@@ -197,7 +197,7 @@ namespace OpenSim.Region.Capabilities
         {
             Console.WriteLine("texture request " + request);
             // Needs implementing (added to remove compiler warning)
-            return "";
+            return String.Empty;
         }
 
         #region EventQueue (Currently not enabled)
@@ -211,7 +211,7 @@ namespace OpenSim.Region.Capabilities
         /// <returns></returns>
         public string ProcessEventQueue(string request, string path, string param)
         {
-            string res = "";
+            string res = String.Empty;
 
             if (m_capsEventQueue.Count > 0)
             {
@@ -476,17 +476,17 @@ namespace OpenSim.Region.Capabilities
         {
             public event UpLoadedAsset OnUpLoad;
 
-            private string uploaderPath = "";
+            private string uploaderPath = String.Empty;
             private LLUUID newAssetID;
             private LLUUID inventoryItemID;
             private LLUUID parentFolder;
             private BaseHttpServer httpListener;
             private bool m_dumpAssetsToFile;
-            private string m_assetName = "";
-            private string m_assetDes = "";
+            private string m_assetName = String.Empty;
+            private string m_assetDes = String.Empty;
 
-            private string m_invType = "";
-            private string m_assetType = "";
+            private string m_invType = String.Empty;
+            private string m_assetType = String.Empty;
 
             public AssetUploader(string assetName, string description, LLUUID assetID, LLUUID inventoryItem,
                                  LLUUID parentFolderID, string invType, string assetType, string path,
@@ -514,7 +514,7 @@ namespace OpenSim.Region.Capabilities
             public string uploaderCaps(byte[] data, string path, string param)
             {
                 LLUUID inv = inventoryItemID;
-                string res = "";
+                string res = String.Empty;
                 LLSDAssetUploadComplete uploadComplete = new LLSDAssetUploadComplete();
                 uploadComplete.new_asset = newAssetID.ToString();
                 uploadComplete.new_inventory_item = inv;
@@ -568,7 +568,7 @@ namespace OpenSim.Region.Capabilities
         {
             public event UpdateItem OnUpLoad;
 
-            private string uploaderPath = "";
+            private string uploaderPath = String.Empty;
             private LLUUID inventoryItemID;
             private BaseHttpServer httpListener;
             private bool m_dumpAssetToFile;
@@ -592,7 +592,7 @@ namespace OpenSim.Region.Capabilities
             public string uploaderCaps(byte[] data, string path, string param)
             {
                 LLUUID inv = inventoryItemID;
-                string res = "";
+                string res = String.Empty;
                 LLSDAssetUploadComplete uploadComplete = new LLSDAssetUploadComplete();
                 LLUUID assetID = LLUUID.Zero;
 
@@ -648,7 +648,7 @@ namespace OpenSim.Region.Capabilities
         {
             public event UpdateTaskScript OnUpLoad;
 
-            private string uploaderPath = "";
+            private string uploaderPath = String.Empty;
             private LLUUID inventoryItemID;
             private LLUUID primID;
             private bool isScriptRunning;
@@ -686,7 +686,7 @@ namespace OpenSim.Region.Capabilities
 //                        "TaskInventoryScriptUpdater received data: {0}, path: {1}, param: {2}", 
 //                        data, path, param);
 
-                    string res = "";
+                    string res = String.Empty;
                     LLSDTaskInventoryUploadComplete uploadComplete = new LLSDTaskInventoryUploadComplete();
 
                     if (OnUpLoad != null)
diff --git a/OpenSim/Framework/Communications/Capabilities/LLSDAssetUploadComplete.cs b/OpenSim/Framework/Communications/Capabilities/LLSDAssetUploadComplete.cs
index f838c85..e0afa5c 100644
--- a/OpenSim/Framework/Communications/Capabilities/LLSDAssetUploadComplete.cs
+++ b/OpenSim/Framework/Communications/Capabilities/LLSDAssetUploadComplete.cs
@@ -26,15 +26,16 @@
 * 
 */
 using libsecondlife;
+using System;
 
 namespace OpenSim.Region.Capabilities
 {
     [LLSDType("MAP")]
     public class LLSDAssetUploadComplete
     {
-        public string new_asset = "";
+        public string new_asset = String.Empty;
         public LLUUID new_inventory_item = LLUUID.Zero;
-        public string state = "";
+        public string state = String.Empty;
         //public bool success = false;
 
         public LLSDAssetUploadComplete()
diff --git a/OpenSim/Framework/Communications/Capabilities/LLSDAssetUploadRequest.cs b/OpenSim/Framework/Communications/Capabilities/LLSDAssetUploadRequest.cs
index 7fed27a..e611eea 100644
--- a/OpenSim/Framework/Communications/Capabilities/LLSDAssetUploadRequest.cs
+++ b/OpenSim/Framework/Communications/Capabilities/LLSDAssetUploadRequest.cs
@@ -33,11 +33,11 @@ namespace OpenSim.Region.Capabilities
     [LLSDMap]
     public class LLSDAssetUploadRequest
     {
-        public string asset_type = "";
-        public string description = "";
+        public string asset_type = System.String.Empty;
+        public string description = System.String.Empty;
         public LLUUID folder_id = LLUUID.Zero;
-        public string inventory_type = "";
-        public string name = "";
+        public string inventory_type = System.String.Empty;
+        public string name = System.String.Empty;
 
         public LLSDAssetUploadRequest()
         {
diff --git a/OpenSim/Framework/Communications/Capabilities/LLSDAssetUploadResponse.cs b/OpenSim/Framework/Communications/Capabilities/LLSDAssetUploadResponse.cs
index 3ad618d..7744ffb 100644
--- a/OpenSim/Framework/Communications/Capabilities/LLSDAssetUploadResponse.cs
+++ b/OpenSim/Framework/Communications/Capabilities/LLSDAssetUploadResponse.cs
@@ -31,8 +31,8 @@ namespace OpenSim.Region.Capabilities
     [LLSDMap]
     public class LLSDAssetUploadResponse
     {
-        public string uploader = "";
-        public string state = "";
+        public string uploader = System.String.Empty;
+        public string state = System.String.Empty;
 
         public LLSDAssetUploadResponse()
         {
diff --git a/OpenSim/Framework/Communications/Capabilities/LLSDCapsDetails.cs b/OpenSim/Framework/Communications/Capabilities/LLSDCapsDetails.cs
index 7b09cb3..7006b44 100644
--- a/OpenSim/Framework/Communications/Capabilities/LLSDCapsDetails.cs
+++ b/OpenSim/Framework/Communications/Capabilities/LLSDCapsDetails.cs
@@ -26,20 +26,22 @@
 * 
 */
 
+using System;
+
 namespace OpenSim.Region.Capabilities
 {
     [LLSDType("MAP")]
     public class LLSDCapsDetails
     {
-        public string MapLayer = "";
-        public string NewFileAgentInventory = "";
-        //public string EventQueueGet = "";
-        // public string RequestTextureDownload = "";
-        // public string ChatSessionRequest = "";
-        public string UpdateNotecardAgentInventory = "";
-        public string UpdateScriptAgentInventory = "";
-        public string UpdateScriptTaskInventory = "";
-        // public string ParcelVoiceInfoRequest = "";
+        public string MapLayer = String.Empty;
+        public string NewFileAgentInventory = String.Empty;
+        //public string EventQueueGet = String.Empty;
+        // public string RequestTextureDownload = String.Empty;
+        // public string ChatSessionRequest = String.Empty;
+        public string UpdateNotecardAgentInventory = String.Empty;
+        public string UpdateScriptAgentInventory = String.Empty;
+        public string UpdateScriptTaskInventory = String.Empty;
+        // public string ParcelVoiceInfoRequest = String.Empty;
 
         public LLSDCapsDetails()
         {
diff --git a/OpenSim/Framework/Communications/CommunicationsManager.cs b/OpenSim/Framework/Communications/CommunicationsManager.cs
index 0c6d53f..a07b165 100644
--- a/OpenSim/Framework/Communications/CommunicationsManager.cs
+++ b/OpenSim/Framework/Communications/CommunicationsManager.cs
@@ -136,7 +136,7 @@ namespace OpenSim.Framework.Communications
 
         public LLUUID AddUser(string firstName, string lastName, string password, uint regX, uint regY)
         {
-            string md5PasswdHash = Util.Md5Hash(Util.Md5Hash(password) + ":" + "");
+            string md5PasswdHash = Util.Md5Hash(Util.Md5Hash(password) + ":" + String.Empty);
 
             m_userService.AddUserProfile(firstName, lastName, md5PasswdHash, regX, regY);
             UserProfileData userProf = UserService.GetUserProfile(firstName, lastName);
diff --git a/OpenSim/Framework/Communications/LoginResponse.cs b/OpenSim/Framework/Communications/LoginResponse.cs
index 2239a9c..7f8658d 100644
--- a/OpenSim/Framework/Communications/LoginResponse.cs
+++ b/OpenSim/Framework/Communications/LoginResponse.cs
@@ -149,7 +149,7 @@ namespace OpenSim.Framework.UserManagement
             ErrorMessage = "You have entered an invalid name/password combination.  Check Caps/lock.";
             ErrorReason = "key";
             welcomeMessage = "Welcome to OpenSim!";
-            seedCapability = "";
+            seedCapability = String.Empty;
             home = "{'region_handle':[r" + (1000*256).ToString() + ",r" + (1000*256).ToString() + "], 'position':[r" +
                    userProfile.homepos.X.ToString() + ",r" + userProfile.homepos.Y.ToString() + ",r" +
                    userProfile.homepos.Z.ToString() + "], 'look_at':[r" + userProfile.homelookat.X.ToString() + ",r" +
diff --git a/OpenSim/Framework/Communications/LoginService.cs b/OpenSim/Framework/Communications/LoginService.cs
index 4b2d679..889b70a 100644
--- a/OpenSim/Framework/Communications/LoginService.cs
+++ b/OpenSim/Framework/Communications/LoginService.cs
@@ -58,7 +58,7 @@ namespace OpenSim.Framework.UserManagement
             m_userManager = userManager;
             m_libraryRootFolder = libraryRootFolder;
             
-            if (welcomeMess != "")
+            if (welcomeMess != String.Empty)
             {
                 m_welcomeMessage = welcomeMess;
             }
@@ -370,16 +370,16 @@ namespace OpenSim.Framework.UserManagement
             Hashtable returnactions = new Hashtable();
             int statuscode = 200;
 
-            string firstname = "";
-            string lastname = "";
-            string location = "";
-            string region ="";
-            string grid = "";
-            string channel = "";
-            string version = "";
-            string lang = "";
-            string password = "";
-            string errormessages = "";
+            string firstname = String.Empty;
+            string lastname = String.Empty;
+            string location = String.Empty;
+            string region =String.Empty;
+            string grid = String.Empty;
+            string channel = String.Empty;
+            string version = String.Empty;
+            string lang = String.Empty;
+            string password = String.Empty;
+            string errormessages = String.Empty;
 
             // the client requires the HTML form field be named 'username'
             // however, the data it sends when it loads the first time is 'firstname'
@@ -387,33 +387,33 @@ namespace OpenSim.Framework.UserManagement
 
             
             if (keysvals.Contains("firstname"))
-                firstname = wfcut.Replace((string)keysvals["firstname"],"",99999);
+                firstname = wfcut.Replace((string)keysvals["firstname"],String.Empty,99999);
             if (keysvals.Contains("username"))
-                firstname = wfcut.Replace((string)keysvals["username"],"",99999);
+                firstname = wfcut.Replace((string)keysvals["username"],String.Empty,99999);
 
             if (keysvals.Contains("lastname"))
-                lastname = wfcut.Replace((string)keysvals["lastname"],"",99999);
+                lastname = wfcut.Replace((string)keysvals["lastname"],String.Empty,99999);
 
             if (keysvals.Contains("location"))
-                location = wfcut.Replace((string)keysvals["location"],"",99999);
+                location = wfcut.Replace((string)keysvals["location"],String.Empty,99999);
 
             if (keysvals.Contains("region"))
-                region = wfcut.Replace((string)keysvals["region"],"",99999);
+                region = wfcut.Replace((string)keysvals["region"],String.Empty,99999);
 
             if (keysvals.Contains("grid"))
-                grid = wfcut.Replace((string)keysvals["grid"],"",99999);
+                grid = wfcut.Replace((string)keysvals["grid"],String.Empty,99999);
 
             if (keysvals.Contains("channel"))
-                channel = wfcut.Replace((string)keysvals["channel"],"",99999);
+                channel = wfcut.Replace((string)keysvals["channel"],String.Empty,99999);
 
             if (keysvals.Contains("version"))
-                version = wfcut.Replace((string)keysvals["version"],"",99999);
+                version = wfcut.Replace((string)keysvals["version"],String.Empty,99999);
 
             if (keysvals.Contains("lang"))
-                lang = wfcut.Replace((string)keysvals["lang"],"",99999);
+                lang = wfcut.Replace((string)keysvals["lang"],String.Empty,99999);
            
             if (keysvals.Contains("password"))
-                password = wfcut.Replace((string)keysvals["password"], "", 99999);
+                password = wfcut.Replace((string)keysvals["password"], String.Empty, 99999);
 
             
             // load our login form.
@@ -470,7 +470,7 @@ namespace OpenSim.Framework.UserManagement
         {
             // inject our values in the form at the markers
 
-            string loginform="";
+            string loginform=String.Empty;
             string file = Path.Combine(Util.configDir(), "http_loginform.html");
             if (!File.Exists(file))
             {
diff --git a/OpenSim/Framework/Communications/Properties/AssemblyInfo.cs b/OpenSim/Framework/Communications/Properties/AssemblyInfo.cs
index e9c7bf3..8b6d937 100644
--- a/OpenSim/Framework/Communications/Properties/AssemblyInfo.cs
+++ b/OpenSim/Framework/Communications/Properties/AssemblyInfo.cs
@@ -37,7 +37,7 @@ using System.Runtime.InteropServices;
 [assembly : AssemblyConfiguration("")]
 [assembly : AssemblyCompany("")]
 [assembly : AssemblyProduct("OpenGrid.Framework.Communications")]
-[assembly : AssemblyCopyright("Copyright ©  2007")]
+[assembly : AssemblyCopyright("Copyright © OpenSimulator.org Developers 2007-2008")]
 [assembly : AssemblyTrademark("")]
 [assembly : AssemblyCulture("")]
 
diff --git a/OpenSim/Framework/Communications/RestClient/RestClient.cs b/OpenSim/Framework/Communications/RestClient/RestClient.cs
index 1aaf68e..e4da4dc 100644
--- a/OpenSim/Framework/Communications/RestClient/RestClient.cs
+++ b/OpenSim/Framework/Communications/RestClient/RestClient.cs
@@ -201,7 +201,7 @@ namespace OpenSim.Framework.Communications
         /// <returns>slash '/' if not already present</returns>
         private string slash(string s)
         {
-            return isSlashed(s) ? "" : "/";
+            return isSlashed(s) ? String.Empty : "/";
         }
 
         /// <summary>
diff --git a/OpenSim/Framework/Communications/UserManagerBase.cs b/OpenSim/Framework/Communications/UserManagerBase.cs
index 2d72629..4216553 100644
--- a/OpenSim/Framework/Communications/UserManagerBase.cs
+++ b/OpenSim/Framework/Communications/UserManagerBase.cs
@@ -472,7 +472,7 @@ namespace OpenSim.Framework.UserManagement
             user.username = firstName;
             user.surname = lastName;
             user.passwordHash = pass;
-            user.passwordSalt = "";
+            user.passwordSalt = String.Empty;
             user.created = Util.UnixTimeSinceEpoch();
             user.homeLookAt = new LLVector3(100, 100, 100);
             user.homeRegionX = regX;
diff --git a/OpenSim/Framework/Configuration/HTTP/HTTPConfiguration.cs b/OpenSim/Framework/Configuration/HTTP/HTTPConfiguration.cs
index 0d48683..e27c88b 100644
--- a/OpenSim/Framework/Configuration/HTTP/HTTPConfiguration.cs
+++ b/OpenSim/Framework/Configuration/HTTP/HTTPConfiguration.cs
@@ -39,7 +39,7 @@ namespace OpenSim.Framework.Configuration.HTTP
 
         private XmlConfiguration xmlConfig;
 
-        private string configFileName = "";
+        private string configFileName = System.String.Empty;
 
         public HTTPConfiguration()
         {
diff --git a/OpenSim/Framework/Configuration/HTTP/RemoteConfigSettings.cs b/OpenSim/Framework/Configuration/HTTP/RemoteConfigSettings.cs
index 8fddb60..8575d3b 100644
--- a/OpenSim/Framework/Configuration/HTTP/RemoteConfigSettings.cs
+++ b/OpenSim/Framework/Configuration/HTTP/RemoteConfigSettings.cs
@@ -32,7 +32,7 @@ namespace OpenSim.Framework.Configuration.HTTP
     {
         private ConfigurationMember configMember;
 
-        public string baseConfigURL = "";
+        public string baseConfigURL = System.String.Empty;
 
         public RemoteConfigSettings(string filename)
         {
diff --git a/OpenSim/Framework/Configuration/XML/XmlConfiguration.cs b/OpenSim/Framework/Configuration/XML/XmlConfiguration.cs
index 8bb31f8..4c50e53 100644
--- a/OpenSim/Framework/Configuration/XML/XmlConfiguration.cs
+++ b/OpenSim/Framework/Configuration/XML/XmlConfiguration.cs
@@ -71,9 +71,9 @@ namespace OpenSim.Framework.Configuration
                 else
                 {
                     createdFile = true;
-                    rootNode = doc.CreateNode(XmlNodeType.Element, "Root", "");
+                    rootNode = doc.CreateNode(XmlNodeType.Element, "Root", String.Empty);
                     doc.AppendChild(rootNode);
-                    configNode = doc.CreateNode(XmlNodeType.Element, "Config", "");
+                    configNode = doc.CreateNode(XmlNodeType.Element, "Config", String.Empty);
                     rootNode.AppendChild(configNode);
                 }
 
diff --git a/OpenSim/Framework/ConfigurationMember.cs b/OpenSim/Framework/ConfigurationMember.cs
index 4ae59d6..7590495 100644
--- a/OpenSim/Framework/ConfigurationMember.cs
+++ b/OpenSim/Framework/ConfigurationMember.cs
@@ -44,8 +44,8 @@ namespace OpenSim.Framework
         public delegate void ConfigurationOptionsLoad();
 
         private List<ConfigurationOption> configurationOptions = new List<ConfigurationOption>();
-        private string configurationFilename = "";
-        private string configurationDescription = "";
+        private string configurationFilename = String.Empty;
+        private string configurationDescription = String.Empty;
         private XmlNode configurationFromXMLNode = null;
         private ConfigurationOptionsLoad loadFunction;
         private ConfigurationOptionResult resultFunction;
@@ -70,7 +70,7 @@ namespace OpenSim.Framework
         public ConfigurationMember(XmlNode configuration_xml, string configuration_description,
                                    ConfigurationOptionsLoad load_function, ConfigurationOptionResult result_function, bool use_console_to_prompt_on_error)
         {
-            configurationFilename = "";
+            configurationFilename = String.Empty;
             configurationFromXMLNode = configuration_xml;
             configurationDescription = configuration_description;
             loadFunction = load_function;
@@ -100,8 +100,8 @@ namespace OpenSim.Framework
 
         private void checkAndAddConfigOption(ConfigurationOption option)
         {
-            if ((option.configurationKey != "" && option.configurationQuestion != "") ||
-                (option.configurationKey != "" && option.configurationUseDefaultNoPrompt))
+            if ((option.configurationKey != String.Empty && option.configurationQuestion != String.Empty) ||
+                (option.configurationKey != String.Empty && option.configurationUseDefaultNoPrompt))
             {
                 if (!configurationOptions.Contains(option))
                 {
@@ -190,7 +190,7 @@ namespace OpenSim.Framework
                 return;
             }
 
-            if (configurationFilename.Trim() != "")
+            if (configurationFilename.Trim() != String.Empty)
             {
                 configurationPlugin.SetFileName(configurationFilename);
                 try
@@ -220,11 +220,11 @@ namespace OpenSim.Framework
             {
                 bool convertSuccess = false;
                 object return_result = null;
-                string errorMessage = "";
+                string errorMessage = String.Empty;
                 bool ignoreNextFromConfig = false;
                 while (convertSuccess == false)
                 {
-                    string console_result = "";
+                    string console_result = String.Empty;
                     string attribute = null;
                     if (useFile || configurationFromXMLNode != null)
                     {
@@ -250,7 +250,7 @@ namespace OpenSim.Framework
                                  configOption.shouldIBeAsked(configOption.configurationKey)) ||
                                 configOption.shouldIBeAsked == null)
                             {
-                                if (configurationDescription.Trim() != "")
+                                if (configurationDescription.Trim() != String.Empty)
                                 {
                                     console_result =
                                         MainLog.Instance.CmdPrompt(
diff --git a/OpenSim/Framework/ConfigurationOption.cs b/OpenSim/Framework/ConfigurationOption.cs
index 7f9b5b5..d8be6f8 100644
--- a/OpenSim/Framework/ConfigurationOption.cs
+++ b/OpenSim/Framework/ConfigurationOption.cs
@@ -26,6 +26,8 @@
 * 
 */
 
+using System;
+
 namespace OpenSim.Framework
 {
     public class ConfigurationOption
@@ -52,9 +54,9 @@ namespace OpenSim.Framework
             TYPE_DOUBLE
         } ;
 
-        public string configurationKey = "";
-        public string configurationQuestion = "";
-        public string configurationDefault = "";
+        public string configurationKey = String.Empty;
+        public string configurationQuestion = String.Empty;
+        public string configurationDefault = String.Empty;
 
         public ConfigurationTypes configurationType = ConfigurationTypes.TYPE_STRING;
         public bool configurationUseDefaultNoPrompt = false;
diff --git a/OpenSim/Framework/Console/AssemblyInfo.cs b/OpenSim/Framework/Console/AssemblyInfo.cs
index 73ecd18..b321170 100644
--- a/OpenSim/Framework/Console/AssemblyInfo.cs
+++ b/OpenSim/Framework/Console/AssemblyInfo.cs
@@ -36,12 +36,12 @@ using System.Runtime.InteropServices;
 
 [assembly : AssemblyTitle("ServerConsole")]
 [assembly : AssemblyDescription("")]
-[assembly : AssemblyConfiguration("")]
-[assembly : AssemblyCompany("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
 [assembly : AssemblyProduct("ServerConsole")]
-[assembly : AssemblyCopyright("")]
-[assembly : AssemblyTrademark("")]
-[assembly : AssemblyCulture("")]
+[assembly: AssemblyCopyright("")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
 
 // This sets the default COM visibility of types in the assembly to invisible.
 // If you need to expose a type to COM, use [ComVisible(true)] on that type.
diff --git a/OpenSim/Framework/Console/LogBase.cs b/OpenSim/Framework/Console/LogBase.cs
index e7b1945..6235c07 100644
--- a/OpenSim/Framework/Console/LogBase.cs
+++ b/OpenSim/Framework/Console/LogBase.cs
@@ -298,7 +298,7 @@ namespace OpenSim.Framework.Console
             catch (Exception e)
             {
                 MainLog.Instance.Error("Console", "System.Console.ReadLine exception " + e.ToString());
-                return "";
+                return String.Empty;
             }
         }
 
@@ -377,7 +377,7 @@ namespace OpenSim.Framework.Console
         public string CmdPrompt(string prompt, string defaultresponse)
         {
             string temp = CmdPrompt(String.Format("{0} [{1}]", prompt, defaultresponse));
-            if (temp == "")
+            if (temp == String.Empty)
             {
                 return defaultresponse;
             }
diff --git a/OpenSim/Framework/Data.DB4o/Properties/AssemblyInfo.cs b/OpenSim/Framework/Data.DB4o/Properties/AssemblyInfo.cs
index 6183b6e..af181e4 100644
--- a/OpenSim/Framework/Data.DB4o/Properties/AssemblyInfo.cs
+++ b/OpenSim/Framework/Data.DB4o/Properties/AssemblyInfo.cs
@@ -1,3 +1,31 @@
+/*
+* Copyright (c) Contributors, http://opensimulator.org/
+* See CONTRIBUTORS.TXT for a full list of copyright holders.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*     * Redistributions of source code must retain the above copyright
+*       notice, this list of conditions and the following disclaimer.
+*     * Redistributions in binary form must reproduce the above copyright
+*       notice, this list of conditions and the following disclaimer in the
+*       documentation and/or other materials provided with the distribution.
+*     * Neither the name of the OpenSim Project nor the
+*       names of its contributors may be used to endorse or promote products
+*       derived from this software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+* 
+*/
+
 using System.Reflection;
 using System.Runtime.InteropServices;
 
@@ -10,7 +38,7 @@ using System.Runtime.InteropServices;
 [assembly : AssemblyConfiguration("")]
 [assembly : AssemblyCompany("")]
 [assembly : AssemblyProduct("OpenSim.Framework.Data.DB4o")]
-[assembly : AssemblyCopyright("Copyright ©  2007")]
+[assembly : AssemblyCopyright("Copyright © OpenSimulator.org Developers 2007-2008")]
 [assembly : AssemblyTrademark("")]
 [assembly : AssemblyCulture("")]
 
diff --git a/OpenSim/Framework/Data.MSSQL/MSSQLManager.cs b/OpenSim/Framework/Data.MSSQL/MSSQLManager.cs
index bf57492..3a70909 100644
--- a/OpenSim/Framework/Data.MSSQL/MSSQLManager.cs
+++ b/OpenSim/Framework/Data.MSSQL/MSSQLManager.cs
@@ -186,7 +186,7 @@ namespace OpenSim.Framework.Data.MSSQL
         protected static string defineTable(DataTable dt)
         {
             string sql = "create table " + dt.TableName + "(";
-            string subsql = "";
+            string subsql = String.Empty;
             foreach (DataColumn col in dt.Columns)
             {
                 if (subsql.Length > 0)
@@ -337,7 +337,7 @@ namespace OpenSim.Framework.Data.MSSQL
 
                 // World Map Addition
                 string tempRegionMap = reader["regionMapTexture"].ToString();
-                if (tempRegionMap != "")
+                if (tempRegionMap != String.Empty)
                 {
                     regionprofile.regionMapTextureID = new LLUUID(tempRegionMap);
                 }
@@ -644,12 +644,12 @@ namespace OpenSim.Framework.Data.MSSQL
             parameters["homeLookAtZ"] = homeLookAtZ.ToString();
             parameters["created"] = created.ToString();
             parameters["lastLogin"] = lastlogin.ToString();
-            parameters["userInventoryURI"] = "";
-            parameters["userAssetURI"] = "";
+            parameters["userInventoryURI"] = String.Empty;
+            parameters["userAssetURI"] = String.Empty;
             parameters["profileCanDoMask"] = "0";
             parameters["profileWantDoMask"] = "0";
-            parameters["profileAboutText"] = "";
-            parameters["profileFirstText"] = "";
+            parameters["profileAboutText"] = String.Empty;
+            parameters["profileFirstText"] = String.Empty;
             parameters["profileImage"] = LLUUID.Zero.ToString();
             parameters["profileFirstImage"] = LLUUID.Zero.ToString();
             parameters["webLoginKey"] = LLUUID.Random().ToString();
diff --git a/OpenSim/Framework/Data.MSSQL/Properties/AssemblyInfo.cs b/OpenSim/Framework/Data.MSSQL/Properties/AssemblyInfo.cs
index 6846ecf..a91ce62 100644
--- a/OpenSim/Framework/Data.MSSQL/Properties/AssemblyInfo.cs
+++ b/OpenSim/Framework/Data.MSSQL/Properties/AssemblyInfo.cs
@@ -1,3 +1,31 @@
+/*
+* Copyright (c) Contributors, http://opensimulator.org/
+* See CONTRIBUTORS.TXT for a full list of copyright holders.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*     * Redistributions of source code must retain the above copyright
+*       notice, this list of conditions and the following disclaimer.
+*     * Redistributions in binary form must reproduce the above copyright
+*       notice, this list of conditions and the following disclaimer in the
+*       documentation and/or other materials provided with the distribution.
+*     * Neither the name of the OpenSim Project nor the
+*       names of its contributors may be used to endorse or promote products
+*       derived from this software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+* 
+*/
+
 using System.Reflection;
 using System.Runtime.InteropServices;
 
@@ -10,7 +38,7 @@ using System.Runtime.InteropServices;
 [assembly : AssemblyConfiguration("")]
 [assembly : AssemblyCompany("")]
 [assembly : AssemblyProduct("OpenSim.Framework.Data.MSSQL")]
-[assembly : AssemblyCopyright("Copyright ©  2007")]
+[assembly : AssemblyCopyright("Copyright © OpenSimulator.org Developers 2007-2008")]
 [assembly : AssemblyTrademark("")]
 [assembly : AssemblyCulture("")]
 
diff --git a/OpenSim/Framework/Data.MySQL/MySQLDataStore.cs b/OpenSim/Framework/Data.MySQL/MySQLDataStore.cs
index 8055448..26985b3 100644
--- a/OpenSim/Framework/Data.MySQL/MySQLDataStore.cs
+++ b/OpenSim/Framework/Data.MySQL/MySQLDataStore.cs
@@ -485,7 +485,7 @@ namespace OpenSim.Framework.Data.MySQL
                         foreach (DataColumn column in table.Columns)
                             Debug.Write(column.ColumnName + " = " +
                                         row[column, DataRowVersion.Original] + ", ");
-                        Debug.WriteLine("");
+                        Debug.WriteLine(String.Empty);
                     }
                     //--- Display the current values, if there are any.
                     if (row.HasVersion(DataRowVersion.Current))
@@ -494,9 +494,9 @@ namespace OpenSim.Framework.Data.MySQL
                         foreach (DataColumn column in table.Columns)
                             Debug.Write(column.ColumnName + " = " +
                                         row[column, DataRowVersion.Current] + ", ");
-                        Debug.WriteLine("");
+                        Debug.WriteLine(String.Empty);
                     }
-                    Debug.WriteLine("");
+                    Debug.WriteLine(String.Empty);
                 }
             }
         }
@@ -1313,7 +1313,7 @@ namespace OpenSim.Framework.Data.MySQL
         private MySqlCommand createUpdateCommand(string table, string pk, DataTable dt)
         {
             string sql = "update " + table + " set ";
-            string subsql = "";
+            string subsql = String.Empty;
             foreach (DataColumn col in dt.Columns)
             {
                 if (subsql.Length > 0)
@@ -1341,7 +1341,7 @@ namespace OpenSim.Framework.Data.MySQL
         private string defineTable(DataTable dt)
         {
             string sql = "create table " + dt.TableName + "(";
-            string subsql = "";
+            string subsql = String.Empty;
             foreach (DataColumn col in dt.Columns)
             {
                 if (subsql.Length > 0)
diff --git a/OpenSim/Framework/Data.MySQL/MySQLGridData.cs b/OpenSim/Framework/Data.MySQL/MySQLGridData.cs
index 7cfac12..c8c4ab0 100644
--- a/OpenSim/Framework/Data.MySQL/MySQLGridData.cs
+++ b/OpenSim/Framework/Data.MySQL/MySQLGridData.cs
@@ -219,8 +219,8 @@ namespace OpenSim.Framework.Data.MySQL
             if (querysplit.Length == 2)
             {
                 Dictionary<string, string> param = new Dictionary<string, string>();
-                param["?first"] = objAlphaNumericPattern.Replace(querysplit[0], "") + "%";
-                param["?second"] = objAlphaNumericPattern.Replace(querysplit[1], "") + "%";
+                param["?first"] = objAlphaNumericPattern.Replace(querysplit[0], String.Empty) + "%";
+                param["?second"] = objAlphaNumericPattern.Replace(querysplit[1], String.Empty) + "%";
                 try
                 {
                     lock (database)
@@ -258,7 +258,7 @@ namespace OpenSim.Framework.Data.MySQL
                     lock (database)
                     {
                         Dictionary<string, string> param = new Dictionary<string, string>();
-                        param["?first"] = objAlphaNumericPattern.Replace(querysplit[0], "") + "%";
+                        param["?first"] = objAlphaNumericPattern.Replace(querysplit[0], System.String.Empty) + "%";
 
                         IDbCommand result =
                             database.Query(
diff --git a/OpenSim/Framework/Data.MySQL/MySQLManager.cs b/OpenSim/Framework/Data.MySQL/MySQLManager.cs
index 7645df3..15ccf5f 100644
--- a/OpenSim/Framework/Data.MySQL/MySQLManager.cs
+++ b/OpenSim/Framework/Data.MySQL/MySQLManager.cs
@@ -323,7 +323,7 @@ namespace OpenSim.Framework.Data.MySQL
 
                 // World Map Addition
                 string tempRegionMap = reader["regionMapTexture"].ToString();
-                if (tempRegionMap != "")
+                if (tempRegionMap != String.Empty)
                 {
                     retval.regionMapTextureID = new LLUUID(tempRegionMap);
                 }
@@ -572,12 +572,12 @@ namespace OpenSim.Framework.Data.MySQL
             parameters["?homeLookAtZ"] = homeLookAtZ.ToString();
             parameters["?created"] = created.ToString();
             parameters["?lastLogin"] = lastlogin.ToString();
-            parameters["?userInventoryURI"] = "";
-            parameters["?userAssetURI"] = "";
+            parameters["?userInventoryURI"] = String.Empty;
+            parameters["?userAssetURI"] = String.Empty;
             parameters["?profileCanDoMask"] = "0";
             parameters["?profileWantDoMask"] = "0";
-            parameters["?profileAboutText"] = "";
-            parameters["?profileFirstText"] = "";
+            parameters["?profileAboutText"] = String.Empty;
+            parameters["?profileFirstText"] = String.Empty;
             parameters["?profileImage"] = LLUUID.Zero.ToString();
             parameters["?profileFirstImage"] = LLUUID.Zero.ToString();
             parameters["?webLoginKey"] = LLUUID.Random().ToString();
@@ -612,7 +612,7 @@ namespace OpenSim.Framework.Data.MySQL
         {
             bool GRID_ONLY_UPDATE_NECESSARY_DATA = false;
 
-            string sql = "";
+            string sql = String.Empty;
             if (GRID_ONLY_UPDATE_NECESSARY_DATA)
             {
                 sql += "INSERT INTO ";
diff --git a/OpenSim/Framework/Data.MySQL/MySQLUserData.cs b/OpenSim/Framework/Data.MySQL/MySQLUserData.cs
index 76ad551..f637db6 100644
--- a/OpenSim/Framework/Data.MySQL/MySQLUserData.cs
+++ b/OpenSim/Framework/Data.MySQL/MySQLUserData.cs
@@ -347,8 +347,8 @@ namespace OpenSim.Framework.Data.MySQL
             if (querysplit.Length == 2)
             {
                 Dictionary<string, string> param = new Dictionary<string, string>();
-                param["?first"] = objAlphaNumericPattern.Replace(querysplit[0], "") + "%";
-                param["?second"] = objAlphaNumericPattern.Replace(querysplit[1], "") + "%";
+                param["?first"] = objAlphaNumericPattern.Replace(querysplit[0], String.Empty) + "%";
+                param["?second"] = objAlphaNumericPattern.Replace(querysplit[1], String.Empty) + "%";
                 try
                 {
                     lock (database)
@@ -386,7 +386,7 @@ namespace OpenSim.Framework.Data.MySQL
                     lock (database)
                     {
                         Dictionary<string, string> param = new Dictionary<string, string>();
-                        param["?first"] = objAlphaNumericPattern.Replace(querysplit[0], "") + "%";
+                        param["?first"] = objAlphaNumericPattern.Replace(querysplit[0], String.Empty) + "%";
 
                         IDbCommand result =
                             database.Query(
diff --git a/OpenSim/Framework/Data.MySQL/Properties/AssemblyInfo.cs b/OpenSim/Framework/Data.MySQL/Properties/AssemblyInfo.cs
index 7024bfa..b33d319 100644
--- a/OpenSim/Framework/Data.MySQL/Properties/AssemblyInfo.cs
+++ b/OpenSim/Framework/Data.MySQL/Properties/AssemblyInfo.cs
@@ -1,3 +1,31 @@
+/*
+* Copyright (c) Contributors, http://opensimulator.org/
+* See CONTRIBUTORS.TXT for a full list of copyright holders.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*     * Redistributions of source code must retain the above copyright
+*       notice, this list of conditions and the following disclaimer.
+*     * Redistributions in binary form must reproduce the above copyright
+*       notice, this list of conditions and the following disclaimer in the
+*       documentation and/or other materials provided with the distribution.
+*     * Neither the name of the OpenSim Project nor the
+*       names of its contributors may be used to endorse or promote products
+*       derived from this software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+* 
+*/
+
 using System.Reflection;
 using System.Runtime.InteropServices;
 
@@ -10,7 +38,7 @@ using System.Runtime.InteropServices;
 [assembly : AssemblyConfiguration("")]
 [assembly : AssemblyCompany("")]
 [assembly : AssemblyProduct("OpenSim.Framework.Data.MySQL")]
-[assembly : AssemblyCopyright("Copyright ©  2007")]
+[assembly : AssemblyCopyright("Copyright © OpenSimulator.org Developers 2007-2008")]
 [assembly : AssemblyTrademark("")]
 [assembly : AssemblyCulture("")]
 
diff --git a/OpenSim/Framework/Data.SQLite/Properties/AssemblyInfo.cs b/OpenSim/Framework/Data.SQLite/Properties/AssemblyInfo.cs
index 6693c98..5de87c1 100644
--- a/OpenSim/Framework/Data.SQLite/Properties/AssemblyInfo.cs
+++ b/OpenSim/Framework/Data.SQLite/Properties/AssemblyInfo.cs
@@ -1,3 +1,31 @@
+/*
+* Copyright (c) Contributors, http://opensimulator.org/
+* See CONTRIBUTORS.TXT for a full list of copyright holders.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*     * Redistributions of source code must retain the above copyright
+*       notice, this list of conditions and the following disclaimer.
+*     * Redistributions in binary form must reproduce the above copyright
+*       notice, this list of conditions and the following disclaimer in the
+*       documentation and/or other materials provided with the distribution.
+*     * Neither the name of the OpenSim Project nor the
+*       names of its contributors may be used to endorse or promote products
+*       derived from this software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+* 
+*/
+
 using System.Reflection;
 using System.Runtime.InteropServices;
 
@@ -10,7 +38,7 @@ using System.Runtime.InteropServices;
 [assembly : AssemblyConfiguration("")]
 [assembly : AssemblyCompany("")]
 [assembly : AssemblyProduct("OpenSim.Framework.Data.SQLite")]
-[assembly : AssemblyCopyright("Copyright ©  2007")]
+[assembly : AssemblyCopyright("Copyright © OpenSimulator.org Developers 2007-2008")]
 [assembly : AssemblyTrademark("")]
 [assembly : AssemblyCulture("")]
 
diff --git a/OpenSim/Framework/Data.SQLite/SQLiteBase.cs b/OpenSim/Framework/Data.SQLite/SQLiteBase.cs
index 9131a41..87d63a5 100644
--- a/OpenSim/Framework/Data.SQLite/SQLiteBase.cs
+++ b/OpenSim/Framework/Data.SQLite/SQLiteBase.cs
@@ -98,7 +98,7 @@ namespace OpenSim.Framework.Data.SQLite
         protected static SqliteCommand createUpdateCommand(string table, string pk, DataTable dt)
         {
             string sql = "update " + table + " set ";
-            string subsql = "";
+            string subsql = String.Empty;
             foreach (DataColumn col in dt.Columns)
             {
                 if (subsql.Length > 0)
@@ -126,7 +126,7 @@ namespace OpenSim.Framework.Data.SQLite
         protected static string defineTable(DataTable dt)
         {
             string sql = "create table " + dt.TableName + "(";
-            string subsql = "";
+            string subsql = String.Empty;
             foreach (DataColumn col in dt.Columns)
             {
                 if (subsql.Length > 0)
diff --git a/OpenSim/Framework/Data.SQLite/SQLiteRegionData.cs b/OpenSim/Framework/Data.SQLite/SQLiteRegionData.cs
index 33b4111..1fd5c47 100644
--- a/OpenSim/Framework/Data.SQLite/SQLiteRegionData.cs
+++ b/OpenSim/Framework/Data.SQLite/SQLiteRegionData.cs
@@ -1368,7 +1368,7 @@ namespace OpenSim.Framework.Data.SQLite
         private SqliteCommand createUpdateCommand(string table, string pk, DataTable dt)
         {
             string sql = "update " + table + " set ";
-            string subsql = "";
+            string subsql = String.Empty;
             foreach (DataColumn col in dt.Columns)
             {
                 if (subsql.Length > 0)
@@ -1396,7 +1396,7 @@ namespace OpenSim.Framework.Data.SQLite
         private string defineTable(DataTable dt)
         {
             string sql = "create table " + dt.TableName + "(";
-            string subsql = "";
+            string subsql = String.Empty;
             foreach (DataColumn col in dt.Columns)
             {
                 if (subsql.Length > 0)
diff --git a/OpenSim/Framework/Data.SQLite/SQLiteUserData.cs b/OpenSim/Framework/Data.SQLite/SQLiteUserData.cs
index c4a874f..7647d02 100644
--- a/OpenSim/Framework/Data.SQLite/SQLiteUserData.cs
+++ b/OpenSim/Framework/Data.SQLite/SQLiteUserData.cs
@@ -630,7 +630,7 @@ namespace OpenSim.Framework.Data.SQLite
             {
                 if (row[col] == null)
                 {
-                    row[col] = "";
+                    row[col] = String.Empty;
                 }
             }
         }
@@ -671,7 +671,7 @@ namespace OpenSim.Framework.Data.SQLite
             {
                 if (row[col] == null)
                 {
-                    row[col] = "";
+                    row[col] = String.Empty;
                 }
             }
         }
diff --git a/OpenSim/Framework/Data/Properties/AssemblyInfo.cs b/OpenSim/Framework/Data/Properties/AssemblyInfo.cs
index 51050d1..57cf4cf 100644
--- a/OpenSim/Framework/Data/Properties/AssemblyInfo.cs
+++ b/OpenSim/Framework/Data/Properties/AssemblyInfo.cs
@@ -1,3 +1,31 @@
+/*
+* Copyright (c) Contributors, http://opensimulator.org/
+* See CONTRIBUTORS.TXT for a full list of copyright holders.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*     * Redistributions of source code must retain the above copyright
+*       notice, this list of conditions and the following disclaimer.
+*     * Redistributions in binary form must reproduce the above copyright
+*       notice, this list of conditions and the following disclaimer in the
+*       documentation and/or other materials provided with the distribution.
+*     * Neither the name of the OpenSim Project nor the
+*       names of its contributors may be used to endorse or promote products
+*       derived from this software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+* 
+*/
+
 using System.Reflection;
 using System.Runtime.InteropServices;
 
@@ -10,7 +38,7 @@ using System.Runtime.InteropServices;
 [assembly : AssemblyConfiguration("")]
 [assembly : AssemblyCompany("")]
 [assembly : AssemblyProduct("OpenSim.Framework.Data")]
-[assembly : AssemblyCopyright("Copyright ©  2007")]
+[assembly : AssemblyCopyright("Copyright © OpenSimulator.org Developers 2007-2008")]
 [assembly : AssemblyTrademark("")]
 [assembly : AssemblyCulture("")]
 
diff --git a/OpenSim/Framework/Data/RegionProfileData.cs b/OpenSim/Framework/Data/RegionProfileData.cs
index ec50baa..779e98c 100644
--- a/OpenSim/Framework/Data/RegionProfileData.cs
+++ b/OpenSim/Framework/Data/RegionProfileData.cs
@@ -41,7 +41,7 @@ namespace OpenSim.Framework.Data
         /// <summary>
         /// The name of the region
         /// </summary>
-        public string regionName = "";
+        public string regionName = String.Empty;
 
         /// <summary>
         /// A 64-bit number combining map position into a (mostly) unique ID
@@ -65,10 +65,10 @@ namespace OpenSim.Framework.Data
         /// Authentication secrets
         /// </summary>
         /// <remarks>Not very secure, needs improvement.</remarks>
-        public string regionSendKey = "";
+        public string regionSendKey = String.Empty;
 
-        public string regionRecvKey = "";
-        public string regionSecret = "";
+        public string regionRecvKey = String.Empty;
+        public string regionSecret = String.Empty;
 
         /// <summary>
         /// Whether the region is online
@@ -78,14 +78,14 @@ namespace OpenSim.Framework.Data
         /// <summary>
         /// Information about the server that the region is currently hosted on
         /// </summary>
-        public string serverIP = "";
+        public string serverIP = String.Empty;
 
         public uint serverPort;
-        public string serverURI = "";
+        public string serverURI = String.Empty;
 
         public uint httpPort;
         public uint remotingPort;
-        public string httpServerURI = "";
+        public string httpServerURI = String.Empty;
 
         /// <summary>
         /// Set of optional overrides. Can be used to create non-eulicidean spaces.
@@ -100,23 +100,23 @@ namespace OpenSim.Framework.Data
         /// Optional: URI Location of the region database
         /// </summary>
         /// <remarks>Used for floating sim pools where the region data is not nessecarily coupled to a specific server</remarks>
-        public string regionDataURI = "";
+        public string regionDataURI = String.Empty;
 
         /// <summary>
         /// Region Asset Details
         /// </summary>
-        public string regionAssetURI = "";
+        public string regionAssetURI = String.Empty;
 
-        public string regionAssetSendKey = "";
-        public string regionAssetRecvKey = "";
+        public string regionAssetSendKey = String.Empty;
+        public string regionAssetRecvKey = String.Empty;
 
         /// <summary>
         /// Region Userserver Details
         /// </summary>
-        public string regionUserURI = "";
+        public string regionUserURI = String.Empty;
 
-        public string regionUserSendKey = "";
-        public string regionUserRecvKey = "";
+        public string regionUserSendKey = String.Empty;
+        public string regionUserRecvKey = String.Empty;
 
         /// <summary>
         /// Region Map Texture Asset
diff --git a/OpenSim/Framework/Data/ReservationData.cs b/OpenSim/Framework/Data/ReservationData.cs
index 285f9ca..187ff32 100644
--- a/OpenSim/Framework/Data/ReservationData.cs
+++ b/OpenSim/Framework/Data/ReservationData.cs
@@ -37,11 +37,11 @@ namespace OpenSim.Framework.Data
         public int reservationMaxX = 65536;
         public int reservationMaxY = 65536;
 
-        public string reservationName = "";
-        public string reservationCompany = "";
+        public string reservationName = System.String.Empty;
+        public string reservationCompany = System.String.Empty;
         public bool status = true;
 
-        public string gridSendKey = "";
-        public string gridRecvKey = "";
+        public string gridSendKey = System.String.Empty;
+        public string gridRecvKey = System.String.Empty;
     }
 }
\ No newline at end of file
diff --git a/OpenSim/Framework/EstateSettings.cs b/OpenSim/Framework/EstateSettings.cs
index b2bd181..b5a3468 100644
--- a/OpenSim/Framework/EstateSettings.cs
+++ b/OpenSim/Framework/EstateSettings.cs
@@ -756,106 +756,106 @@ namespace OpenSim.Framework
 
         public void loadConfigurationOptions()
         {
-            configMember.addConfigurationOption("billable_factor", ConfigurationOption.ConfigurationTypes.TYPE_FLOAT, "",
+            configMember.addConfigurationOption("billable_factor", ConfigurationOption.ConfigurationTypes.TYPE_FLOAT, String.Empty,
                                                 "0.0", true);
-            configMember.addConfigurationOption("estate_id", ConfigurationOption.ConfigurationTypes.TYPE_UINT32, "", "0",
+            configMember.addConfigurationOption("estate_id", ConfigurationOption.ConfigurationTypes.TYPE_UINT32, String.Empty, "0",
                                                 true);
             configMember.addConfigurationOption("parent_estate_id", ConfigurationOption.ConfigurationTypes.TYPE_UINT32,
-                                                "", "0", true);
-            configMember.addConfigurationOption("max_agents", ConfigurationOption.ConfigurationTypes.TYPE_BYTE, "", "40",
+                                                String.Empty, "0", true);
+            configMember.addConfigurationOption("max_agents", ConfigurationOption.ConfigurationTypes.TYPE_BYTE, String.Empty, "40",
                                                 true);
 
             configMember.addConfigurationOption("object_bonus_factor", ConfigurationOption.ConfigurationTypes.TYPE_FLOAT,
-                                                "", "1.0", true);
-            configMember.addConfigurationOption("redirect_grid_x", ConfigurationOption.ConfigurationTypes.TYPE_INT32, "",
+                                                String.Empty, "1.0", true);
+            configMember.addConfigurationOption("redirect_grid_x", ConfigurationOption.ConfigurationTypes.TYPE_INT32, String.Empty,
                                                 "0", true);
-            configMember.addConfigurationOption("redirect_grid_y", ConfigurationOption.ConfigurationTypes.TYPE_INT32, "",
+            configMember.addConfigurationOption("redirect_grid_y", ConfigurationOption.ConfigurationTypes.TYPE_INT32, String.Empty,
                                                 "0", true);
-            configMember.addConfigurationOption("region_flags", ConfigurationOption.ConfigurationTypes.TYPE_UINT32, "",
+            configMember.addConfigurationOption("region_flags", ConfigurationOption.ConfigurationTypes.TYPE_UINT32, String.Empty,
                                                 "0", true);
-            configMember.addConfigurationOption("sim_access", ConfigurationOption.ConfigurationTypes.TYPE_BYTE, "", "21",
+            configMember.addConfigurationOption("sim_access", ConfigurationOption.ConfigurationTypes.TYPE_BYTE, String.Empty, "21",
                                                 true);
-            configMember.addConfigurationOption("sun_hour", ConfigurationOption.ConfigurationTypes.TYPE_FLOAT, "", "0",
+            configMember.addConfigurationOption("sun_hour", ConfigurationOption.ConfigurationTypes.TYPE_FLOAT, String.Empty, "0",
                                                 true);
             configMember.addConfigurationOption("terrain_raise_limit", ConfigurationOption.ConfigurationTypes.TYPE_FLOAT,
-                                                "", "0", true);
+                                                String.Empty, "0", true);
             configMember.addConfigurationOption("terrain_lower_limit", ConfigurationOption.ConfigurationTypes.TYPE_FLOAT,
-                                                "", "0", true);
-            configMember.addConfigurationOption("use_fixed_sun", ConfigurationOption.ConfigurationTypes.TYPE_BOOLEAN, "",
+                                                String.Empty, "0", true);
+            configMember.addConfigurationOption("use_fixed_sun", ConfigurationOption.ConfigurationTypes.TYPE_BOOLEAN, String.Empty,
                                                 "false", true);
             configMember.addConfigurationOption("price_per_meter", ConfigurationOption.ConfigurationTypes.TYPE_UINT32,
-                                                "", "1", true);
+                                                String.Empty, "1", true);
             configMember.addConfigurationOption("region_water_height",
-                                                ConfigurationOption.ConfigurationTypes.TYPE_UINT16, "", "20", true);
+                                                ConfigurationOption.ConfigurationTypes.TYPE_UINT16, String.Empty, "20", true);
             configMember.addConfigurationOption("region_allow_terraform",
-                                                ConfigurationOption.ConfigurationTypes.TYPE_BOOLEAN, "", "true", true);
+                                                ConfigurationOption.ConfigurationTypes.TYPE_BOOLEAN, String.Empty, "true", true);
 
-            configMember.addConfigurationOption("terrain_base_0", ConfigurationOption.ConfigurationTypes.TYPE_LLUUID, "",
+            configMember.addConfigurationOption("terrain_base_0", ConfigurationOption.ConfigurationTypes.TYPE_LLUUID, String.Empty,
                                                 "b8d3965a-ad78-bf43-699b-bff8eca6c975", true);
-            configMember.addConfigurationOption("terrain_base_1", ConfigurationOption.ConfigurationTypes.TYPE_LLUUID, "",
+            configMember.addConfigurationOption("terrain_base_1", ConfigurationOption.ConfigurationTypes.TYPE_LLUUID, String.Empty,
                                                 "abb783e6-3e93-26c0-248a-247666855da3", true);
-            configMember.addConfigurationOption("terrain_base_2", ConfigurationOption.ConfigurationTypes.TYPE_LLUUID, "",
+            configMember.addConfigurationOption("terrain_base_2", ConfigurationOption.ConfigurationTypes.TYPE_LLUUID, String.Empty,
                                                 "179cdabd-398a-9b6b-1391-4dc333ba321f", true);
-            configMember.addConfigurationOption("terrain_base_3", ConfigurationOption.ConfigurationTypes.TYPE_LLUUID, "",
+            configMember.addConfigurationOption("terrain_base_3", ConfigurationOption.ConfigurationTypes.TYPE_LLUUID, String.Empty,
                                                 "beb169c7-11ea-fff2-efe5-0f24dc881df2", true);
 
             configMember.addConfigurationOption("terrain_detail_0", ConfigurationOption.ConfigurationTypes.TYPE_LLUUID,
-                                                "", "00000000-0000-0000-0000-000000000000", true);
+                                                String.Empty, "00000000-0000-0000-0000-000000000000", true);
             configMember.addConfigurationOption("terrain_detail_1", ConfigurationOption.ConfigurationTypes.TYPE_LLUUID,
-                                                "", "00000000-0000-0000-0000-000000000000", true);
+                                                String.Empty, "00000000-0000-0000-0000-000000000000", true);
             configMember.addConfigurationOption("terrain_detail_2", ConfigurationOption.ConfigurationTypes.TYPE_LLUUID,
-                                                "", "00000000-0000-0000-0000-000000000000", true);
+                                                String.Empty, "00000000-0000-0000-0000-000000000000", true);
             configMember.addConfigurationOption("terrain_detail_3", ConfigurationOption.ConfigurationTypes.TYPE_LLUUID,
-                                                "", "00000000-0000-0000-0000-000000000000", true);
+                                                String.Empty, "00000000-0000-0000-0000-000000000000", true);
 
             configMember.addConfigurationOption("terrain_start_height_0",
-                                                ConfigurationOption.ConfigurationTypes.TYPE_FLOAT, "", "10.0", true);
+                                                ConfigurationOption.ConfigurationTypes.TYPE_FLOAT, String.Empty, "10.0", true);
             configMember.addConfigurationOption("terrain_start_height_1",
-                                                ConfigurationOption.ConfigurationTypes.TYPE_FLOAT, "", "10.0", true);
+                                                ConfigurationOption.ConfigurationTypes.TYPE_FLOAT, String.Empty, "10.0", true);
             configMember.addConfigurationOption("terrain_start_height_2",
-                                                ConfigurationOption.ConfigurationTypes.TYPE_FLOAT, "", "10.0", true);
+                                                ConfigurationOption.ConfigurationTypes.TYPE_FLOAT, String.Empty, "10.0", true);
             configMember.addConfigurationOption("terrain_start_height_3",
-                                                ConfigurationOption.ConfigurationTypes.TYPE_FLOAT, "", "10.0", true);
+                                                ConfigurationOption.ConfigurationTypes.TYPE_FLOAT, String.Empty, "10.0", true);
 
             configMember.addConfigurationOption("terrain_height_range_0",
-                                                ConfigurationOption.ConfigurationTypes.TYPE_FLOAT, "", "60.0", true);
+                                                ConfigurationOption.ConfigurationTypes.TYPE_FLOAT, String.Empty, "60.0", true);
             configMember.addConfigurationOption("terrain_height_range_1",
-                                                ConfigurationOption.ConfigurationTypes.TYPE_FLOAT, "", "60.0", true);
+                                                ConfigurationOption.ConfigurationTypes.TYPE_FLOAT, String.Empty, "60.0", true);
             configMember.addConfigurationOption("terrain_height_range_2",
-                                                ConfigurationOption.ConfigurationTypes.TYPE_FLOAT, "", "60.0", true);
+                                                ConfigurationOption.ConfigurationTypes.TYPE_FLOAT, String.Empty, "60.0", true);
             configMember.addConfigurationOption("terrain_height_range_3",
-                                                ConfigurationOption.ConfigurationTypes.TYPE_FLOAT, "", "60.0", true);
+                                                ConfigurationOption.ConfigurationTypes.TYPE_FLOAT, String.Empty, "60.0", true);
 
             configMember.addConfigurationOption("terrain_file",
-                                                ConfigurationOption.ConfigurationTypes.TYPE_STRING_NOT_EMPTY, "",
+                                                ConfigurationOption.ConfigurationTypes.TYPE_STRING_NOT_EMPTY, String.Empty,
                                                 "default.r32", true);
             configMember.addConfigurationOption("terrain_multiplier", ConfigurationOption.ConfigurationTypes.TYPE_FLOAT,
-                                                "", "60.0", true);
-            configMember.addConfigurationOption("water_height", ConfigurationOption.ConfigurationTypes.TYPE_DOUBLE, "",
+                                                String.Empty, "60.0", true);
+            configMember.addConfigurationOption("water_height", ConfigurationOption.ConfigurationTypes.TYPE_DOUBLE, String.Empty,
                                                 "20.0", true);
             configMember.addConfigurationOption("terrain_image_id", ConfigurationOption.ConfigurationTypes.TYPE_LLUUID,
-                                                "", "00000000-0000-0000-0000-000000000000", true);
+                                                String.Empty, "00000000-0000-0000-0000-000000000000", true);
 
             configMember.addConfigurationOption("estate_manager_0", ConfigurationOption.ConfigurationTypes.TYPE_LLUUID,
-                                                "", "00000000-0000-0000-0000-000000000000", true);
+                                                String.Empty, "00000000-0000-0000-0000-000000000000", true);
             configMember.addConfigurationOption("estate_manager_1", ConfigurationOption.ConfigurationTypes.TYPE_LLUUID,
-                                                "", "00000000-0000-0000-0000-000000000000", true);
+                                                String.Empty, "00000000-0000-0000-0000-000000000000", true);
             configMember.addConfigurationOption("estate_manager_2", ConfigurationOption.ConfigurationTypes.TYPE_LLUUID,
-                                                "", "00000000-0000-0000-0000-000000000000", true);
+                                                String.Empty, "00000000-0000-0000-0000-000000000000", true);
             configMember.addConfigurationOption("estate_manager_3", ConfigurationOption.ConfigurationTypes.TYPE_LLUUID,
-                                                "", "00000000-0000-0000-0000-000000000000", true);
+                                                String.Empty, "00000000-0000-0000-0000-000000000000", true);
             configMember.addConfigurationOption("estate_manager_4", ConfigurationOption.ConfigurationTypes.TYPE_LLUUID,
-                                                "", "00000000-0000-0000-0000-000000000000", true);
+                                                String.Empty, "00000000-0000-0000-0000-000000000000", true);
             configMember.addConfigurationOption("estate_manager_5", ConfigurationOption.ConfigurationTypes.TYPE_LLUUID,
-                                                "", "00000000-0000-0000-0000-000000000000", true);
+                                                String.Empty, "00000000-0000-0000-0000-000000000000", true);
             configMember.addConfigurationOption("estate_manager_6", ConfigurationOption.ConfigurationTypes.TYPE_LLUUID,
-                                                "", "00000000-0000-0000-0000-000000000000", true);
+                                                String.Empty, "00000000-0000-0000-0000-000000000000", true);
             configMember.addConfigurationOption("estate_manager_7", ConfigurationOption.ConfigurationTypes.TYPE_LLUUID,
-                                                "", "00000000-0000-0000-0000-000000000000", true);
+                                                String.Empty, "00000000-0000-0000-0000-000000000000", true);
             configMember.addConfigurationOption("estate_manager_8", ConfigurationOption.ConfigurationTypes.TYPE_LLUUID,
-                                                "", "00000000-0000-0000-0000-000000000000", true);
+                                                String.Empty, "00000000-0000-0000-0000-000000000000", true);
             configMember.addConfigurationOption("estate_manager_9", ConfigurationOption.ConfigurationTypes.TYPE_LLUUID,
-                                                "", "00000000-0000-0000-0000-000000000000", true);
+                                                String.Empty, "00000000-0000-0000-0000-000000000000", true);
 
         }
 
diff --git a/OpenSim/Framework/GridConfig.cs b/OpenSim/Framework/GridConfig.cs
index c07adea..61a53d7 100644
--- a/OpenSim/Framework/GridConfig.cs
+++ b/OpenSim/Framework/GridConfig.cs
@@ -26,23 +26,25 @@
 * 
 */
 
+using System;
+
 namespace OpenSim.Framework
 {
     public class GridConfig
     {
-        public string GridOwner = "";
-        public string DefaultAssetServer = "";
-        public string AssetSendKey = "";
-        public string AssetRecvKey = "";
+        public string GridOwner = String.Empty;
+        public string DefaultAssetServer = String.Empty;
+        public string AssetSendKey = String.Empty;
+        public string AssetRecvKey = String.Empty;
 
-        public string DefaultUserServer = "";
-        public string UserSendKey = "";
-        public string UserRecvKey = "";
+        public string DefaultUserServer = String.Empty;
+        public string UserSendKey = String.Empty;
+        public string UserRecvKey = String.Empty;
 
-        public string SimSendKey = "";
-        public string SimRecvKey = "";
+        public string SimSendKey = String.Empty;
+        public string SimRecvKey = String.Empty;
 
-        public string DatabaseProvider = "";
+        public string DatabaseProvider = String.Empty;
 
 
         public static uint DefaultHttpPort = 8001;
diff --git a/OpenSim/Framework/InventoryConfig.cs b/OpenSim/Framework/InventoryConfig.cs
index 28cd552..108e7ff 100644
--- a/OpenSim/Framework/InventoryConfig.cs
+++ b/OpenSim/Framework/InventoryConfig.cs
@@ -33,12 +33,12 @@ namespace OpenSim.Framework
     /// </summary>
     public class InventoryConfig
     {
-        public string DefaultStartupMsg = "";
-        public string UserServerURL = "";
-        public string UserSendKey = "";
-        public string UserRecvKey = "";
+        public string DefaultStartupMsg = System.String.Empty;
+        public string UserServerURL = System.String.Empty;
+        public string UserSendKey = System.String.Empty;
+        public string UserRecvKey = System.String.Empty;
 
-        public string DatabaseProvider = "";
+        public string DatabaseProvider = System.String.Empty;
         public static uint DefaultHttpPort = 8004;
 
         public uint HttpPort = DefaultHttpPort;
diff --git a/OpenSim/Framework/LandData.cs b/OpenSim/Framework/LandData.cs
index 885545d..bb99b27 100644
--- a/OpenSim/Framework/LandData.cs
+++ b/OpenSim/Framework/LandData.cs
@@ -26,6 +26,7 @@
 * 
 */
 using System.Collections.Generic;
+using System;
 using libsecondlife;
 
 namespace OpenSim.Framework
@@ -34,7 +35,7 @@ namespace OpenSim.Framework
     {
         public byte[] landBitmapByteArray = new byte[512];
         public string landName = "Your Parcel";
-        public string landDesc = "";
+        public string landDesc = String.Empty;
         public LLUUID ownerID = LLUUID.Zero;
         public bool isGroupOwned = false;
         public LLVector3 AABBMin = new LLVector3();
@@ -67,8 +68,8 @@ namespace OpenSim.Framework
         public int localID = 0;
         public LLUUID globalID = LLUUID.Zero;
 
-        public string mediaURL = "";
-        public string musicURL = "";
+        public string mediaURL = String.Empty;
+        public string musicURL = String.Empty;
         public float passHours = 0;
         public int passPrice = 0;
         public LLUUID snapshotID = LLUUID.Zero;
diff --git a/OpenSim/Framework/Login.cs b/OpenSim/Framework/Login.cs
index 5228fe9..7021194 100644
--- a/OpenSim/Framework/Login.cs
+++ b/OpenSim/Framework/Login.cs
@@ -39,7 +39,7 @@ namespace OpenSim.Framework
         public LLUUID InventoryFolder;
         public LLUUID BaseFolder;
         public uint CircuitCode;
-        public string CapsPath = "";
+        public string CapsPath = System.String.Empty;
         public LLVector3 StartPos;
 
         public Login()
diff --git a/OpenSim/Framework/MessageServerConfig.cs b/OpenSim/Framework/MessageServerConfig.cs
index 5cef362..ccb6e7a 100644
--- a/OpenSim/Framework/MessageServerConfig.cs
+++ b/OpenSim/Framework/MessageServerConfig.cs
@@ -36,17 +36,17 @@ namespace OpenSim.Framework
     /// </summary>
     public class MessageServerConfig
     {
-        public string DefaultStartupMsg = "";
-        public string UserServerURL = "";
-        public string UserSendKey = "";
-        public string UserRecvKey = "";
+        public string DefaultStartupMsg = String.Empty;
+        public string UserServerURL = String.Empty;
+        public string UserSendKey = String.Empty;
+        public string UserRecvKey = String.Empty;
 
-        public string GridServerURL = "";
-        public string GridSendKey = "";
-        public string GridRecvKey = "";
+        public string GridServerURL = String.Empty;
+        public string GridSendKey = String.Empty;
+        public string GridRecvKey = String.Empty;
 
-        public string DatabaseProvider = "";
-        public string GridCommsProvider = "";
+        public string DatabaseProvider = String.Empty;
+        public string GridCommsProvider = String.Empty;
 
         public static uint DefaultHttpPort = 8006;
         public static bool DefaultHttpSSL = false;
diff --git a/OpenSim/Framework/NetworkServersInfo.cs b/OpenSim/Framework/NetworkServersInfo.cs
index cf1457d..c67a6bf 100644
--- a/OpenSim/Framework/NetworkServersInfo.cs
+++ b/OpenSim/Framework/NetworkServersInfo.cs
@@ -27,23 +27,24 @@
 */
 
 using Nini.Config;
+using System;
 
 namespace OpenSim.Framework
 {
     public class NetworkServersInfo
     {
         public string AssetURL = "http://127.0.0.1:" + AssetConfig.DefaultHttpPort.ToString() + "/";
-        public string AssetSendKey = "";
+        public string AssetSendKey = String.Empty;
 
-        public string GridURL = "";
-        public string GridSendKey = "";
-        public string GridRecvKey = "";
-        public string UserURL = "";
-        public string UserSendKey = "";
-        public string UserRecvKey = "";
+        public string GridURL = String.Empty;
+        public string GridSendKey = String.Empty;
+        public string GridRecvKey = String.Empty;
+        public string UserURL = String.Empty;
+        public string UserSendKey = String.Empty;
+        public string UserRecvKey = String.Empty;
         public bool isSandbox;
 
-        public string InventoryURL = "";
+        public string InventoryURL = String.Empty;
 
         public static uint DefaultHttpListenerPort = 9000;
         public uint HttpListenerPort = DefaultHttpListenerPort;
diff --git a/OpenSim/Framework/RegionCommsListener.cs b/OpenSim/Framework/RegionCommsListener.cs
index 9472a9e..1db5aae 100644
--- a/OpenSim/Framework/RegionCommsListener.cs
+++ b/OpenSim/Framework/RegionCommsListener.cs
@@ -27,6 +27,7 @@
 */
 
 using System.Collections.Generic;
+using System;
 using libsecondlife;
 
 namespace OpenSim.Framework
@@ -46,7 +47,7 @@ namespace OpenSim.Framework
         public event ChildAgentUpdate OnChildAgentUpdate;
 
 
-        public string debugRegionName = "";
+        public string debugRegionName = String.Empty;
 
 
         /// <summary>
diff --git a/OpenSim/Framework/RegionInfo.cs b/OpenSim/Framework/RegionInfo.cs
index 3c4fcba..8d4e905 100644
--- a/OpenSim/Framework/RegionInfo.cs
+++ b/OpenSim/Framework/RegionInfo.cs
@@ -157,17 +157,17 @@ namespace OpenSim.Framework
 
     public class RegionInfo : SimpleRegionInfo
     {
-        public string RegionName = "";
+        public string RegionName = String.Empty;
 
-        public string DataStore = "";
+        public string DataStore = String.Empty;
         public bool isSandbox = false;
         public bool commFailTF = false;
 
         public LLUUID MasterAvatarAssignedUUID = LLUUID.Zero;
         public LLUUID CovenantID = LLUUID.Zero;
-        public string MasterAvatarFirstName = "";
-        public string MasterAvatarLastName = "";
-        public string MasterAvatarSandboxPassword = "";
+        public string MasterAvatarFirstName = String.Empty;
+        public string MasterAvatarLastName = String.Empty;
+        public string MasterAvatarSandboxPassword = String.Empty;
 
         // Apparently, we're applying the same estatesettings regardless of whether it's local or remote.
         private static EstateSettings m_estateSettings;
@@ -241,7 +241,7 @@ namespace OpenSim.Framework
         //not in use, should swap to nini though.
         public void LoadFromNiniSource(IConfigSource source, string sectionName)
         {
-            string errorMessage = "";
+            string errorMessage = String.Empty;
             RegionID = new LLUUID(source.Configs[sectionName].GetString("Region_ID", LLUUID.Random().ToString()));
             RegionName = source.Configs[sectionName].GetString("sim_name", "OpenSim Test");
             m_regionLocX = Convert.ToUInt32(source.Configs[sectionName].GetString("sim_location_x", "1000"));
@@ -275,7 +275,7 @@ namespace OpenSim.Framework
             MasterAvatarLastName = source.Configs[sectionName].GetString("master_avatar_last", "User");
             MasterAvatarSandboxPassword = source.Configs[sectionName].GetString("master_avatar_pass", "test");
 
-            if (errorMessage != "")
+            if (errorMessage != String.Empty)
             {
                 // a error 
             }
@@ -384,7 +384,7 @@ namespace OpenSim.Framework
                     break;
                 case "master_avatar_pass":
                     string tempMD5Passwd = (string) configuration_result;
-                    MasterAvatarSandboxPassword = Util.Md5Hash(Util.Md5Hash(tempMD5Passwd) + ":" + "");
+                    MasterAvatarSandboxPassword = Util.Md5Hash(Util.Md5Hash(tempMD5Passwd) + ":" + String.Empty);
                     break;
             }
 
diff --git a/OpenSim/Framework/RegionLoader/Web/RegionLoaderWebServer.cs b/OpenSim/Framework/RegionLoader/Web/RegionLoaderWebServer.cs
index 80acbae..8a1a038 100644
--- a/OpenSim/Framework/RegionLoader/Web/RegionLoaderWebServer.cs
+++ b/OpenSim/Framework/RegionLoader/Web/RegionLoaderWebServer.cs
@@ -52,8 +52,8 @@ namespace OpenSim.Framework.RegionLoader.Web
             else
             {
                 IniConfig startupConfig = (IniConfig) m_configSouce.Configs["Startup"];
-                string url = startupConfig.GetString("regionload_webserver_url", "").Trim();
-                if (url == "")
+                string url = startupConfig.GetString("regionload_webserver_url", System.String.Empty).Trim();
+                if (url == System.String.Empty)
                 {
                     MainLog.Instance.Error("WEBLOADER", "Unable to load webserver URL - URL was empty.");
                     return null;
@@ -66,7 +66,7 @@ namespace OpenSim.Framework.RegionLoader.Web
                     HttpWebResponse webResponse = (HttpWebResponse) webRequest.GetResponse();
                     MainLog.Instance.Debug("WEBLOADER", "Downloading Region Information From Remote Server...");
                     StreamReader reader = new StreamReader(webResponse.GetResponseStream());
-                    string xmlSource = "";
+                    string xmlSource = System.String.Empty;
                     string tempStr = reader.ReadLine();
                     while (tempStr != null)
                     {
diff --git a/OpenSim/Framework/Servers/BaseHttpServer.cs b/OpenSim/Framework/Servers/BaseHttpServer.cs
index 78554c3..df3b049 100644
--- a/OpenSim/Framework/Servers/BaseHttpServer.cs
+++ b/OpenSim/Framework/Servers/BaseHttpServer.cs
@@ -382,7 +382,7 @@ namespace OpenSim.Framework.Servers
 
             Hashtable keysvals = new Hashtable();
             Hashtable headervals = new Hashtable();
-            string host = "";
+            string host = String.Empty;
 
             string[] querystringkeys = request.QueryString.AllKeys;
             string[] rHeaders = request.Headers.AllKeys;
diff --git a/OpenSim/Framework/TaskInventoryItem.cs b/OpenSim/Framework/TaskInventoryItem.cs
index 196e096..107993b 100644
--- a/OpenSim/Framework/TaskInventoryItem.cs
+++ b/OpenSim/Framework/TaskInventoryItem.cs
@@ -27,6 +27,7 @@
 */
 
 using libsecondlife;
+using System;
 
 namespace OpenSim.Framework
 {
@@ -44,16 +45,16 @@ namespace OpenSim.Framework
         {
             "texture",
             "sound",
-            "",
-            "",
-            "",
-            "",
-            "",
-            "",
-            "",
-            "",
+            String.Empty,
+            String.Empty,
+            String.Empty,
+            String.Empty,
+            String.Empty,
+            String.Empty,
+            String.Empty,
+            String.Empty,
             "lsl_text",
-            ""
+            String.Empty
         };
         
         /// <summary>
@@ -63,16 +64,16 @@ namespace OpenSim.Framework
         {
             "texture",
             "sound",
-            "",
-            "",
-            "",
-            "",
-            "",
-            "",
-            "",
-            "",
+            String.Empty,
+            String.Empty,
+            String.Empty,
+            String.Empty,
+            String.Empty,
+            String.Empty,
+            String.Empty,
+            String.Empty,
             "lsltext",
-            ""
+            String.Empty
         };
 
         public LLUUID item_id = LLUUID.Zero;
@@ -92,8 +93,8 @@ namespace OpenSim.Framework
         public int type = 0;
         public int inv_type = 0;
         public uint flags = 0;
-        public string name = "";
-        public string desc = "";
+        public string name = String.Empty;
+        public string desc = String.Empty;
         public uint creation_date = 0;
 
         public LLUUID ParentPartID = LLUUID.Zero;
diff --git a/OpenSim/Framework/UserConfig.cs b/OpenSim/Framework/UserConfig.cs
index c9957ef..a4b8a5d 100644
--- a/OpenSim/Framework/UserConfig.cs
+++ b/OpenSim/Framework/UserConfig.cs
@@ -26,6 +26,8 @@
 * 
 */
 
+using System;
+
 namespace OpenSim.Framework
 {
     /// <summary>
@@ -33,14 +35,14 @@ namespace OpenSim.Framework
     /// </summary>
     public class UserConfig
     {
-        public string DefaultStartupMsg = "";
-        public string GridServerURL = "";
-        public string GridSendKey = "";
-        public string GridRecvKey = "";
+        public string DefaultStartupMsg = String.Empty;
+        public string GridServerURL = String.Empty;
+        public string GridSendKey = String.Empty;
+        public string GridRecvKey = String.Empty;
 
-        public string InventoryUrl = "";
+        public string InventoryUrl = String.Empty;
 
-        public string DatabaseProvider = "";
+        public string DatabaseProvider = String.Empty;
 
         public static uint DefaultHttpPort = 8002;
         public static bool DefaultHttpSSL = false;
diff --git a/OpenSim/Framework/Util.cs b/OpenSim/Framework/Util.cs
index f80350e..191205b 100644
--- a/OpenSim/Framework/Util.cs
+++ b/OpenSim/Framework/Util.cs
@@ -356,7 +356,7 @@ namespace OpenSim.Framework
             {
                 return capsURLS[userID];
             }
-            return "";
+            return String.Empty;
         }
 
         public static void SetCapsURL(LLUUID userID, string url)