[mutter] (2 commits) Non-fast-forward update to branch wip/chergert/less-type-init

[Christian Hergert <chergert src gnome org>]

The branch 'wip/chergert/less-type-init' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  b23c4a1... clutter: avoid redundant _clutter_paint_node_init_types()

Commits added to the branch:

  81d11ac... clutter: avoid g_signal_emit_by_name() from ClutterActor (*)
  4e00540... clutter: avoid redundant _clutter_paint_node_init_types()

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