RIP OpenSimRoot. (removed)

Merged most of the bug fixes etc in from LLdemo branch.
Added the textures from that branch.

OpenSim.RegionServer/OpenSimNetworkHandler.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Net;
+using System.Net.Sockets;
+
+namespace OpenSim
+{
+    public interface OpenSimNetworkHandler
+    {
+        //public abstract void StartUp();
+       // public abstract void Shutdown();
+        void SendPacketTo(byte[] buffer, int size, SocketFlags flags, uint circuitcode);// EndPoint packetSender);
+        void RemoveClientCircuit(uint circuitcode);
+    }
+}