* Setting CapsBase async handler threads to background threads. This *may* resolve the issue with libomv hanging open for ~20 seconds when shutting down

* Set EventQueueServer handling thread to background
* Commented out some noisy debugging in EventQueueServer

git-svn-id: http://libopenmetaverse.googlecode.com/svn/libopenmetaverse/trunk@2573 52acb1d6-8a22-11de-b505-999d5b087335

OpenMetaverse.Http/CapsBase.cs

@@ -209,6 +209,7 @@ namespace OpenMetaverse.Http
                     }
                 }
             );
+            asyncThread.IsBackground = true;
             asyncThread.Start();
         }