[mutter] (18 commits) Non-fast-forward update to branch gbsneto/graphene

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

The branch 'gbsneto/graphene' 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:

  68be70a... Remove fog support
  1b81b5d... clutter/actor: Drop ClutterActor:clip property
  0753e1a... cogl/tests: Remove usage of implicit API from color-mask te
  4455b33... clutter/tests: Rename variable
  e6e72dd... ci: Remove obsolete command
  ce567a2... Add Graphene dependency
  97e565a... clutter: Pull in Clutter dependencies
  0d41ad0... Replace CoglEuler by graphene_euler_t
  96ebfa4... Replace CoglQuaternion by graphene_quaternion_t
  3e18086... Replace CoglVector* by graphene_vec*_t
  3f7402b... Replace ClutterVertex by graphene_point3d_t
  2d7ab1d... clutter: Set progress function on graphene_point3d_t
  ea7f53e... Replace ClutterSize by graphene_size_t
  c8f2bf1... Replace ClutterPoint by graphene_point_t
  37576ad... Replace ClutterRect by graphene_rect_t
  f0ea07a... Replace ClutterGeometry by graphene_rect_t
  459076f... cogl/matrix-stack: Use graphene types on entries

Commits added to the branch:

  c010a3b... Update German translation (*)
  86a63e1... Remove fog support
  23a1a2e... clutter/actor: Drop ClutterActor:clip property
  b033d61... cogl/tests: Remove usage of implicit API from color-mask te
  ccbc964... clutter/tests: Rename variable
  2d7c826... ci: Update gsettings-desktop-schemas URL
  8bc33c1... Add Graphene dependency
  81dd508... clutter: Pull in Clutter dependencies
  9cb72cf... Replace CoglEuler by graphene_euler_t
  fc9aa3c... Replace CoglQuaternion by graphene_quaternion_t
  10937c5... Replace CoglVector* by graphene_vec*_t
  d9317cf... Replace ClutterVertex by graphene_point3d_t
  6a26cf4... clutter: Set progress function on graphene_point3d_t
  4201aee... Replace ClutterSize by graphene_size_t
  da90873... Replace ClutterPoint by graphene_point_t
  2664b57... Replace ClutterRect by graphene_rect_t
  74f1404... Replace ClutterGeometry by graphene_rect_t
  cdc0f46... cogl/matrix-stack: Use graphene types on entries

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