table: ensure the row and column counts are always updated
table: ensure the row and column counts are always updated

Make sure the row and column counts are updated when an actor is added
using clutter_container_add.

jonnylamb/mx,jonnylamb/mx,pwithnall/mx,pwithnall/mx,clutter-project/mx,pwithnall/mx,clutter-project/mx,jonnylamb/mx,jonnylamb/mx,pwithnall/mx,clutter-project/mx,clutter-project/mx