[Simulator.cs]

* Changed simulator.AvatarPositions from Dictionary to InternalDictionary
* Resolves LIBOMV-450 by removing simulator.PositionIndexYou and .PositionIndexPrey in favor of Client.Self.AgentID and simulator.PreyID for indexing AvatarPositions
[InternalDictionary.cs]
* Added lock to .TryGetValue
* Added .FindAll overload for using a key as the predicate instead of value
[OpenMetaverse.GUI]
* Visual and functional enhancements to Minimap and AvatarList (takes advantage of new AvatarPositions code)
* Added failed login retry dialog to Dashboard
* Added more documentation to public classes

git-svn-id: http://libopenmetaverse.googlecode.com/svn/libopenmetaverse/trunk@2549 52acb1d6-8a22-11de-b505-999d5b087335

OpenMetaverse.GUI/StatusOutput.cs

@@ -30,6 +30,9 @@ using System.Windows.Forms;
 
 namespace OpenMetaverse.GUI
 {
+    /// <summary>
+    /// RichTextBox GUI component for displaying a client's status output
+    /// </summary>
     public class StatusOutput : RichTextBox
     {
         private GridClient _Client;
@@ -57,6 +60,8 @@ namespace OpenMetaverse.GUI
             }
             else
             {
+                if (!this.IsHandleCreated) return;
+
                 this.SelectionStart = this.Text.Length;
                 this.SelectionColor = color;
                 DateTime now = DateTime.Now;