*Handle creature rotation using movement generator. Please tell me if this breaks any script.

--HG--
branch : trunk

src/game/MotionMaster.cpp

@@ -511,6 +511,11 @@ void MotionMaster::MovePath(uint32 path_id, bool repeatable)
         i_owner->GetGUIDLow(), path_id, repeatable ? "YES" : "NO" );
 }
 
+void MotionMaster::MoveRotate(uint32 time, RotateDirection direction)
+{
+    Mutate(new RotateMovementGenerator(time, direction), MOTION_SLOT_ACTIVE);
+}
+
 void MotionMaster::propagateSpeedChange()
 {
     /*Impl::container_type::iterator it = Impl::c.begin();