2008-06-17 Matthew Allum <mallum@openedhand.com>

2008-06-17  Matthew Allum  <mallum@openedhand.com>

        * clutter/clutter-actor.c:
        * clutter/clutter-actor.h:
        Clean up of parenting code (see #972)
        Doc updates to section intro.
        Add clutter_actor_allocate_preferred_size () utility call

        * clutter/clutter-group.c: (clutter_fixed_layout_allocate):
        Use clutter_actor_allocate_preferred_size ()

        * doc/clutter-actor-invariants.txt:
        Add some more notes