Should allow multiple worlds (and UDP servers) to be ran in one instance, just missing backend comms and working Avatar/primitives classes.

Common/OpenSim.Framework/Interfaces/Remoting/RegionGridClientBase.cs

@@ -0,0 +1,11 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace OpenSim.Framework.Interfaces
+{
+    public abstract class RegionGridClientBase :IRegionGridClient
+    {
+        public abstract bool ExpectUser(string toRegionID, string name);
+    }
+}