Make copying of scripts into prim inventories more reliable on the first attempt when the asset server is lagging by formalising the de facto polling.

This may not be the best solution in the long run, but should improve things for now.
This may also improve reliability when updating inventory item metadata (e.g. renaming an item) and in retrieving textures
for the main map view.

OpenSim/Region/Examples/SimpleApp/MyNpcCharacter.cs

@@ -185,6 +185,11 @@ namespace SimpleApp
         {
             get { return lastName; }
         }
+        
+        public virtual String Name
+        {
+            get { return FirstName + LastName; }
+        }
 
 
         public virtual void OutPacket(Packet newPack, ThrottleOutPacketType packType)
@@ -394,8 +399,6 @@ namespace SimpleApp
 
         private void Update()
         {
-            Encoding enc = Encoding.ASCII;
-
             if (OnAgentUpdate != null)
             {
                 AgentUpdatePacket pack = new AgentUpdatePacket();