[mutter] (25 commits) Non-fast-forward update to branch wip/garnacho/touchpad-gestures

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/garnacho/touchpad-gestures' 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:

  1f4ee78... events: Ensure touchpad gesture events go through clutter
  22ed5b9... wayland: Handle wl_gesture_pinch and wl_gesture_swipe inter

Commits added to the branch:

  5f1bcc1... input-settings-x11: check properties for correctness before (*)
  bede997... nested: Allow configuration of dummy output configuration (*)
  6ec7fa2... wayland: Use surface role when special casing surface commi (*)
  1576b7d... wayland: Put MetaWaylandOutput struct in header file (*)
  dc99af4... wayland: Make MetaWaylandOutput a GObject (*)
  ba7c524... MetaSurfaceActorWayland: Unset the MetaWaylandSurface point (*)
  eb023ff... wayland: Send wl_surface.enter and wl_surface.leave (*)
  f295349... wayland: Don't crash if wl_output resource is destroyed aft (*)
  5d10196... MetaSurfaceActorWayland: Don't dereference surface before N (*)
  b97ebc4... frames: handle META_FRAME_CONTROL_NONE on left click (*)
  117f57f... wayland: Factor out some parts of meta_surface_actor_waylan (*)
  3b99313... wayland: Fix subsurface positioning on HiDPI (*)
  208da23... wayland: Fix subsurface place_above/below type cast error (*)
  441efd1... MetaMonitorInfo: Provide scale information (*)
  14b0a83... Don't calculate the main window monitor every time it`s nee (*)
  f6c9261... wayland: Scale window geometry rects given the main output (*)
  fbd237b... MetaWaylandSurface: Return top most toplevel window for pop (*)
  db6caa2... wayland: Take scale into account when placing windows relat (*)
  f01247d... wayland: Fix calculation of window geometry when scaled (*)
  e648f2c... events: Ensure touchpad gesture events go through clutter (*)
  1417600... backend: Store XcursorImages for theme cursors (*)
  74ca936... backend: Add meta_cursor_renderer_force_update() (*)
  8329e97... backends: Trigger animated cursor animations on the native  (*)
  1fd603d... wayland: Add gestures protocol XML
  52eca9e... wayland: Implement wl_pointer_gestures and its pinch/swipe 

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