[mutter] (19 commits) ...tests: Rename actor-anchors to actor-pivot-point

[Robert Mader <rmader src gnome org>]

Summary of changes:

  387a13f... clutter/actor: Drop depth property and functions (*)
  82b7106... clutter/main: Remove clutter_get_actor_by_gid (*)
  0b4cf9c... clutter/actor: Remove push/pop_internal declarations (*)
  59e454f... clutter/actor: Remove clutter_actor_set_parent (*)
  237f277... clutter/actor: Remove clutter_actor_unparent (*)
  d4953c7... clutter/actor: Remove clutter_actor_show_all (*)
  8d83dec... clutter/stage: Subclass ClutterActor (*)
  ce3e293... clutter: Drop ClutterGroup (*)
  ae49f89... clutter/stage: Remove color property (*)
  d4993c4... clutter/stage: Remove all deprecated functions (*)
  d54b10b... clutter/timeline: Remove empty deprecated header (*)
  2802d35... Drop ClutterBox (*)
  e884ba7... tests: Replace ClutterRectangle with ClutterActor (*)
  2e086c7... Drop ClutterRectangle (*)
  dc4cb56... clutter/actor: Remove rotation center (*)
  031098a... tests: Drop anchor-related parts of the actor-anchors test (*)
  dbce29a... clutter/actor: Remove scale center and gravity (*)
  7146a6d... clutter/actor: Remove anchor points and gravity (*)
  88141f1... tests: Rename actor-anchors to actor-pivot-point (*)

(*) This commit already existed in another branch; no separate mail sent