[mutter] (11 commits) Non-fast-forward update to branch gbsneto/offscreen-paint-node

[Marge Bot <marge-bot 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:

  51f3772... clutter/paint-nodes: Make ClutterLayerNode always push/pop
  7b39970... clutter/offscreen-effect: Add new create_pipeline() vfunc
  e567681... clutter/blur-effect: Switch to create_pipeline vfunc
  17767c8... clutter/brightness-contrast-effect: Switch to create_pipeli
  d7ae0df... clutter/colorize-effect: Switch to create_pipeline vfunc
  f112cd8... clutter/desaturate-effect: Switch to create_pipeline vfunc
  f32efd5... clutter/offscreen-effect: Use paint nodes to paint target
  5b23f41... clutter/offscreen-effect: Implement paint_node()
  31c19b2... clutter/effect: Add paint nodes to all paint vfuncs
  9e3e7df... clutter/offscreen-effect: Document paint nodes
  39cb1f5... clutter/effect: Move ClutterEffect creation to ClutterActor

Commits added to the branch:

  6654053... clutter/paint-nodes: Make ClutterLayerNode always push/pop
  5794871... clutter/offscreen-effect: Add new create_pipeline() vfunc
  5587c70... clutter/blur-effect: Switch to create_pipeline vfunc
  5c62808... clutter/brightness-contrast-effect: Switch to create_pipeli
  b3641e0... clutter/colorize-effect: Switch to create_pipeline vfunc
  691d317... clutter/desaturate-effect: Switch to create_pipeline vfunc
  26c1a5e... clutter/offscreen-effect: Use paint nodes to paint target
  ea20076... clutter/offscreen-effect: Implement paint_node()
  4898408... clutter/effect: Add paint nodes to all paint vfuncs
  d1acb75... clutter/offscreen-effect: Document paint nodes
  9e25028... clutter/effect: Move ClutterEffect creation to ClutterActor