* Moves the Meshmerizer to a separate plugin

* Experimental.   Linux Prebuild needs testing.
* One more update after this to remove the ODEMeshing directory....

OpenSim/Region/Physics/PhysXPlugin/PhysXPlugin.cs

@@ -84,6 +84,12 @@ namespace OpenSim.Region.Physics.PhysXPlugin
             scene = mySdk.CreateScene();
         }
 
+        public override void Initialise(IMesher meshmerizer)
+        {
+            // Does nothing right now
+        }
+
+
         public override PhysicsActor AddAvatar(string avName, PhysicsVector position)
         {
             Vec3 pos = new Vec3();