* Refactored the sound calls to SceneObjectPart

* Fixed a few bugs
* Wrote an example module to make certain event systems more mature.

OpenSim/Region/Examples/SimpleApp/MyNpcCharacter.cs

@@ -145,6 +145,7 @@ namespace SimpleApp
         public event FriendActionDelegate OnDenyFriendRequest;
         public event FriendshipTermination OnTerminateFriendship;
         public event PacketStats OnPacketStats;
+        public event MoneyBalanceRequest OnMoneyBalanceRequest;
 
 #pragma warning restore 67