[mutter] (17 commits) Non-fast-forward update to branch wip/carlosg/check-selection-request-focus

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/carlosg/check-selection-request-focus' 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:

  ad8d03d... wayland: Flatten data source object hierarchy
  98a688e... wayland: Clean up meta_wayland_data_device_set_primary()
  a693d10... wayland: Check focus surface client in wl_data_device.set_s

Commits added to the branch:

  f18e2d2... clutter: Remove unused clutter-layout-manager-deprecated.c (*)
  1d8807a... clutter/paint-nodes: Expose ClutterLayerNode (*)
  cf791c0... clutter/paint-nodes: Expose and cleanup ClutterTransformNod (*)
  ebf9ac0... clutter/paint-nodes: Introduce ClutterActorNode (*)
  cd2ee44... clutter/actor: Always paint using paint nodes (*)
  18e0a8f... clutter: Remove stray references to ClutterBehaviour{Path,R (*)
  68fca55... clutter: Remove unused deprecated/clutter-behaviour-opacity (*)
  096d784... clutter: Remove tests/interactive/test-texture-quality.c (*)
  013b336... clutter: Remove unused deprecated/clutter-behaviour-depth.c (*)
  33d1bae... clutter: Remove deprecated/clutter-behaviour-scale.c (*)
  a60457c... clutter: Remove behaviours (*)
  d6bf480... cogl: Remove unused _cogl_matrix_entry_flush_to_gl_builtins (*)
  b6170db... ci: Phrase error in a way that gives a hint on how to fix p (*)
  b622a8b... ci: Print all the commits that need bug references (*)
  60f0404... wayland: Flatten data source object hierarchy
  71315af... wayland: Clean up meta_wayland_data_device_set_primary()
  e095dac... wayland: Check focus surface client in wl_data_device.set_s

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