[mutter] (36 commits) Non-fast-forward update to branch wip/surface-content

[Jasper St. Pierre <jstpierre src gnome org>]

The branch 'wip/surface-content' 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:

  05b5406... window-group: Don't special-case the unredirected window
  57300cb... window-actor: Split into two subclasses of MetaSurfaceActor

Commits added to the branch:

  ed18580... default: Improve the destroy effect as well (*)
  f26de40... main: Remove clutter / cogl option groups (*)
  304a525... wayland: Remove is_native from seat (*)
  4e6321c... monitor: Kill off another use of is_native (*)
  6038877... cursor-tracker: Kill off the last user of is_native (*)
  dcd628d... wayland: Kill meta_wayland_compositor_is_native (*)
  86f057a... monitor: Add a Wayland backend (*)
  ef24fb6... wayland: Don't use WESTON_LAUNCHER_SOCK (*)
  57728b4... Kill HAVE_WAYLAND (*)
  2a14526... wayland: Rework how surface destruction works (*)
  283a81e... wayland: Explicitly destroy the surface actor (*)
  414259a... wayland: Fix cast warning (*)
  a364c2a... pointer/keyboard: Make sure not to get stale on client reso (*)
  be16c2f... pointer: Reindent (*)
  756a412... pointer: Make nested grabs work (*)
  4c621cc... pointer/keyboard: Make sure to clean up the destroy listene (*)
  47f4c9d... wayland-surface: Correct xdg_popup placement (*)
  cc13f8f... wayland: Fix compile error (*)
  00c8d3c... xdg-shell: Update to latest renames for focused_set / focus (*)
  24c5290... main: Kill a runtime warning (*)
  e62fe95... window: Enable pinging on Wayland windows (*)
  1e6b3fa... Fix the input region not working properly (*)
  c251eb8... window-group: Don't special-case the unredirected window (*)
  7ef8d21... wayland: Allow destroying the wl_surface before the xdg_sur (*)
  f771bb8... Revert "wayland: Explicitly destroy the surface actor" (*)
  374e300... wayland: Remove width / height from MetaWaylandBuffer (*)
  7615d17... wayland: Tie activate / deactivate to appears-focused (*)
  a5d950f... pointer/keyboard: Fix focus setting once again (*)
  ff5867e... pointer: Make the code here a bit clearer (*)
  48f7232... pointer: Don't send modifiers on mouse enter (*)
  0dccc44... window-actor: Kill off a nonsensical edge case (*)
  c964ef4... window-actor: Fix build (*)
  17462c2... pointer/keyboard: fix setting focus (*)
  13ddd36... window-actor: Don't queue a redraw when queueing a new pixm
  6b98ac3... window-actor: Kill off needs_pixmap
  2210c30... window-actor: Split into two subclasses of MetaSurfaceActor

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