* Hooked up the GridComm event ChildDataUpdate to the scene.

* Added List<RegionInfo> m_neighbours to Scene 
* Hooked up the OnRegionUp event to m_neighbours list 
* Modified RegionInfo to have a bool commFailTF value so that we can skip neighbors that fail.  (when the region comes up, this gets reset to false and the region will try again.
* Added SetChildAgentThrottle(byte[]) to IClientAPI 
* Several other insignificant changes related to passing child pertanant agent data from sim to sim.

OpenSim/Region/ClientStack/ClientView.cs

@@ -2015,7 +2015,10 @@ namespace OpenSim.Region.ClientStack
             this.OutPacket(mbReply, ThrottleOutPacketType.Land);
              */
         }
-
+        public void SetChildAgentThrottle(byte[] throttles)
+        {
+            PacketQueue.SetThrottleFromClient(throttles);
+        }
         // Previously ClientView.PacketQueue
         protected PacketQueue PacketQueue;