LIBOMV-477 Adds support to the messaging system to encode/decode the EventQueue (2 variants Ack/Event)

* Fixed ParcelPropertiesUpdateMessage decode/encode of Flags field
LIBOMV-492 WinGridProxy IMessageToString Method enhanced to decode interfaces when a Variant is present

* Updated Helpfile Builder generator to use hana theme and other trickery to enhance the output of the API Documentation output

git-svn-id: http://libopenmetaverse.googlecode.com/svn/libopenmetaverse/trunk@2661 52acb1d6-8a22-11de-b505-999d5b087335

OpenMetaverse/Messages/MessageEventDecoder.cs

@@ -75,6 +75,7 @@ namespace OpenMetaverse
                 case "LandStatReply": message = new LandStatReplyMessage(); break;
                 case "ParcelVoiceInfoRequest": message = new ParcelVoiceInfoRequestMessage(); break;
                 case "ViewerStats": message = new ViewerStatsMessage(); break;
+                case "EventQueueGet": message = new EventQueueGetMessage(); break;
 
                 // Capabilities TODO:
                 // DispatchRegionInfo