Fixed SimpleApp - aka thankgoditssundaycommit

* Updated SimpleApp with various introduced dependencies
* Extracted ScenePrescence creation in Scene
* removed try-catchall from UserManagerBase (that actually hid a bug)
* Refactored RegionInfo
  * handle is calculated
  * it will explode upon accessing x,y,ip,port,externalip if not explicitly initialized
* Removed superfluous 'ref' keywords
* Removed a shitload of 'catch Exception e' that causes build warnings
* Lots of small refactorings, renames et c
* Ignored some bins

OpenSim/Grid/UserServer/Main.cs

@@ -178,7 +178,7 @@ namespace OpenSim.Grid.UserServer
                 }
                 configData.Commit();
             }
-            catch (Exception e)
+            catch
             {
 
             }

OpenSim/Grid/UserServer/UserManager.cs

@@ -56,7 +56,7 @@ namespace OpenSim.Grid.UserServer
         /// </summary>
         /// <param name="response">The existing response</param>
         /// <param name="theUser">The user profile</param>
-        public override void CustomiseResponse(ref LoginResponse response, ref UserProfileData theUser)
+        public override void CustomiseResponse(  LoginResponse response,   UserProfileData theUser)
         {
             // Load information from the gridserver
             SimProfile SimInfo = new SimProfile();