[mutter] (14 commits) Non-fast-forward update to branch wip/nielsdg/cleanup-clutter-marshal

[Niels De Graef <nielsdg src gnome org>]

The branch 'wip/nielsdg/cleanup-clutter-marshal' 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:

  0c5fae4... clutter: Remove marshals that are available in GLib

Commits added to the branch:

  35007eb... Update Friulian translation (*)
  ddbdb5f... clutter: Use g_object_notify_by_pspec() (*)
  2812338... shadow-factory: Optimize shadows entirely if clip region is (*)
  0f6ab78... window-actor: Check frame bounds region before use (*)
  cc59681... window-actor: Fix check to clip beneath the window (*)
  ac7aa11... window-actor: Cull out areas covered by opaque windows (*)
  90a5582... background-actor: Clip obscured background areas (*)
  f501fdc... window-actor: Remove negation in function name (*)
  aae9f3a... window-actor: Fix rectangle coordinates in culling (*)
  efe6c13... cursor-tracker: Use our own marshal for cursor-moved (*)
  4de892b... cursor-tracker: Don't use g_cclosure_marshal_VOID__VOID (*)
  5b98cc7... cursor-tracker: Document cursor-moved signal (*)
  89e5c4e... clutter: Remove marshals that are available in GLib
  b01d769... clutter: Use va_marshaller for Actor signals

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