Add a method to flush the prim update buffers once a frame, since the timer

appear to be too slow to be useful, or fail too fire. I may remove the timers
as a consequence if this.

OpenSim/Region/Examples/SimpleModule/MyNpcCharacter.cs

@@ -543,6 +543,10 @@ namespace OpenSim.Region.Examples.SimpleModule
         {
         }
 
+        public void FlushPrimUpdates()
+        {
+        }
+
         public virtual void SendInventoryFolderDetails(UUID ownerID, UUID folderID,
                                                        List<InventoryItemBase> items,
                                                        List<InventoryFolderBase> folders,