[mutter] (22 commits) Non-fast-forward update to branch gbsneto/offscreen-paint-node

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

The branch 'gbsneto/offscreen-paint-node' 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:

  1dad199... clutter/paint-nodes: Make ClutterLayerNode always push/pop
  4e5d4d8... clutter/offscreen-effect: Add new create_pipeline() vfunc
  4fe24a1... clutter/blur-effect: Switch to create_pipeline vfunc
  2ad4cab... clutter/brightness-contrast-effect: Switch to create_pipeli
  7a26160... clutter/colorize-effect: Switch to create_pipeline vfunc
  47b3d1d... clutter/desaturate-effect: Switch to create_pipeline vfunc
  788f54c... clutter/offscreen-effect: Use paint nodes to paint target
  77a56e9... clutter/offscreen-effect: Implement paint_node()
  216d17e... clutter/effect: Add paint nodes to all paint vfuncs
  5171775... clutter/offscreen-effect: Document paint nodes
  6863b08... clutter/effect: Move ClutterEffect creation to ClutterActor

Commits added to the branch:

  49b3ac2... clutter: Drop CLUTTER_CLIENT_MESSAGE event (*)
  96e320b... clutter: Drop CLUTTER_DESTROY_NOTIFY event (*)
  4a0c56f... clutter: Simplify stage state management (*)
  09b9569... backends/x11: Drop platform-specific event data (*)
  9f5c453... clutter: Move evdev evcode data to Clutter button/key event (*)
  eaa04ec... backends: Unify touch sequence to slot conversion (*)
  4db5b95... wayland: Drop HAVE_BACKEND_NATIVE checks in wl_touch implem (*)
  b887905... clutter: Move relative motion information to ClutterEvent (*)
  64d5e8a... backends/native: Drop MetaEventNative (*)
  0842ac9... clutter: Drop infrastructure to copy/free platform event da (*)
  e21929b... clutter: Do not poke backend code for motion compression (*)
  6ce2a24... clutter/paint-nodes: Make ClutterLayerNode always push/pop
  4382d83... clutter/offscreen-effect: Add new create_pipeline() vfunc
  63e7bc5... clutter/blur-effect: Switch to create_pipeline vfunc
  dbc35b2... clutter/brightness-contrast-effect: Switch to create_pipeli
  94264db... clutter/colorize-effect: Switch to create_pipeline vfunc
  83e7522... clutter/desaturate-effect: Switch to create_pipeline vfunc
  43e5b49... clutter/offscreen-effect: Use paint nodes to paint target
  d404aec... clutter/offscreen-effect: Implement paint_node()
  7e29bc3... clutter/effect: Add paint nodes to all paint vfuncs
  7afa071... clutter/offscreen-effect: Document paint nodes
  3ad1cd9... clutter/effect: Move ClutterEffect creation to ClutterActor

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