[mutter] (37 commits) Non-fast-forward update to branch wip/nielsdg/add-yuv-support

[Niels De Graef <nielsdg src gnome org>]

The branch 'wip/nielsdg/add-yuv-support' 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:

  8fd19d7... WIP: wayland: add basic support for non-RGBA textures
  681cdef... WIP

Commits added to the branch:

  f6eb2a8... settings: Remove space characters (*)
  c9cc07f... settings: Slack off “xwayland-allow-grabs” setting (*)
  b4c7872... compositor: Add "locate_pointer" vmethod (*)
  851b7d0... keybindings: Trigger locate-pointer on key modifier (*)
  c53aa89... keybindings: Small code cleanup (*)
  a38bae2... docs: Update tests instructions (*)
  a6fc656... window: Emit an error and return when trying to activate an (*)
  4d21650... clutter: Add an accessibility virtual device (*)
  144b24b... clutter/evdev: Use the accessibility virtual device (*)
  c33b330... backends: Rename keyboard accessibility settings (*)
  ab0b407... clutter/enums: Add pointer accessibility types (*)
  0d0b9da... clutter: Add pointer accessibility signals (*)
  db11a37... clutter: Add pointer accessibility features (*)
  c1303bd... clutter/x11: Hook up pointer accessibility (*)
  1d76eac... clutter: Hook up pointer accessibility (*)
  a3b8644... backends: Add mouse accessibility settings (*)
  e94a0fc... display: Dispose Stack after Compositor and X11 (*)
  0487d67... x11-display: Handle mapped XIDs per type (*)
  912a9ec... clutter/stage-cogl: Use G_USEC_PER_SEC instead of hardcoded (*)
  ccf27e5... clutter/stage-cogl: Schedule immediate update on zero refre (*)
  a76762a... clutter/stage-cogl: Use default frame rate instead of hardc (*)
  35aa278... clutter/stage-cogl: Stop `schedule_update` repeatedly retur (*)
  67a3715... clutter/stage-cogl: Reduce while loop iterations (*)
  e415cc5... clutter/master-clock: Remove fallback throttles (*)
  1dbf25a... clutter/stage-cogl: Protect against extremely high refresh  (*)
  9b53583... cogl/trace: Fix typo (*)
  5eac1d6... wayland/surface: Clear texture when attaching NULL (*)
  36b3616... wayland/cursor-surface: Update sprite when attaching NULL (*)
  e48c7c0... clutter/stage: Make view fetch helper take floats (*)
  4abca41... clutter/stage: Expose stage view getter helper as API (*)
  178b975... cursor-renderer: Align OpenGL cursor rect to physical pixel (*)
  c237bc5... clutter-effect: Rename get_paint_volume (*)
  9db9793... clutter: Clarify clutter_stage_get_actor_at_pos docs (*)
  c24d8e8... clutter/x11: Fix build without libwacom (*)
  d3e789e... Updated Spanish translation (*)
  b8bea15... cogl: Replace G_8 with R_8 pixel format
  ccb56a8... WIP: wayland: add basic support for non-RGBA textures

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