[mutter] (7 commits) Non-fast-forward update to branch gbsneto/cleanup-x11-from-window-actor

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

The branch 'gbsneto/cleanup-x11-from-window-actor' 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:

  adc5e4c... window-actor: Turn into a derivable class
  114e015... Add MetaWindowActorX11 and MetaWindowActorWayland
  0ba4498... window-actor: Select X11 or Wayland actor based on client t
  f13c70b... window-actor: Move X11-specific code to MetaWindowActorX11
  7498a49... window-actor: Cleanup includes
  fb1f95f... Document window and surface actors
  0eb1710... window-actor: Move some code to MetaCompositor

Commits added to the branch:

  205678c... window-actor: Turn into a derivable class
  2a61c30... Add MetaWindowActorX11 and MetaWindowActorWayland
  3162156... window-actor: Select X11 or Wayland actor based on client t
  1e7988a... window-actor: Move X11-specific code to MetaWindowActorX11
  2299294... window-actor: Cleanup includes
  5d2220c... Document window and surface actors
  e523574... window-actor: Move some code to MetaCompositor