[mutter] (16 commits) Non-fast-forward update to branch gbsneto/explicit-framebuffer-preparations

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

The branch 'gbsneto/explicit-framebuffer-preparations' 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:

  348aa1b... shadow-factory: Replace implicit API by explicit counterpar
  c7ee429... shadow-factory: Receive CoglFramebuffer
  6de135f... clutter-stage: Replace cogl_clear by cogl_framebuffer_clear
  16be2fa... clutter-stage: Pass framebuffer to read pixels from
  53807aa... clutter-actor: Remove cogl_rectangle from pick()
  1584353... clutter-*-effect: Remove cogl_rectangle()
  38d5602... clutter-text: Replace cogl_rectangle()
  a477588... clutter-wayland-surface: Remove cogl_rectangle()
  b2c3144... clutter-texture: Remove cogl_rectangle_with_texture_coords(
  f1fa3e4... clutter-rectangle: Remove cogl_rectangle()

Commits added to the branch:

  76760bf... tests: Make all alarm filters use the same type (*)
  1266c20... monitor-unit-tests: Also run a X11 client while testing (*)
  c8a4e37... tests/test-client: Add "resize" command (*)
  563c5b0... monitor-unit-tests: Try resizing clients while headless (*)
  787bb43... x11/window: Minor cleanup (*)
  740c229... build: Don't hardcode the path of python3 (*)
  aecf588... shadow-factory: Replace implicit API by explicit counterpar
  605f35d... shadow-factory: Receive CoglFramebuffer
  dd82fbe... clutter-stage: Replace cogl_clear by cogl_framebuffer_clear
  c1b6184... clutter-stage: Pass framebuffer to read pixels from
  203725b... clutter-actor: Remove cogl_rectangle from pick()
  4c3d9fc... clutter-*-effect: Remove cogl_rectangle()
  cabcad1... clutter-text: Replace cogl_rectangle()
  a227e40... clutter-wayland-surface: Remove cogl_rectangle()
  fcd1ff9... clutter-texture: Remove cogl_rectangle_with_texture_coords(
  0304433... clutter-rectangle: Remove cogl_rectangle()

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