New field in InstanceWorld - int templateId, client instance template id.

L2_GameServer/java/net/sf/l2j/gameserver/instancemanager/InstanceManager.java

@@ -197,6 +197,7 @@ public class InstanceManager
 	public class InstanceWorld
 	{
 		public int instanceId;
+		public int templateId = -1;
 		public FastList<Integer> allowed = new FastList<Integer>();
 		public int status;
 	}