[mutter] (16 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:

  64e2203... Remove fog support
  a0e4adc... clutter/actor: Drop ClutterActor:clip property
  88ffaa1... cogl/tests: Remove usage of implicit API from color-mask te
  089118e... Add Graphene dependency
  762261b... clutter: Pull in Clutter dependencies
  9ec084c... clutter/tests: Rename variable
  638fd01... Replace CoglEuler by graphene_euler_t
  3972f65... Replace CoglQuaternion by graphene_quaternion_t
  af9388e... Replace CoglVector* by graphene_vec*_t
  42fc77e... Replace ClutterVertex by graphene_point3d_t
  969a3d0... clutter: Set progress function on graphene_point3d_t
  d8dc3b2... Replace ClutterSize by graphene_size_t
  a610297... Replace ClutterPoint by graphene_point_t
  435fe35... Replace ClutterRect by graphene_rect_t
  db80b35... Replace ClutterGeometry by graphene_rect_t
  73a00e3... cogl/matrix-stack: Use graphene types on entries

Commits added to the branch:

  bd5b560... Remove fog support
  f4433e9... clutter/actor: Drop ClutterActor:clip property
  08f032a... cogl/tests: Remove usage of implicit API from color-mask te
  9f4db00... clutter/tests: Rename variable
  3584ec7... Add Graphene dependency
  9adaa9d... clutter: Pull in Clutter dependencies
  3549b0a... Replace CoglEuler by graphene_euler_t
  6e51da7... Replace CoglQuaternion by graphene_quaternion_t
  9b265a1... Replace CoglVector* by graphene_vec*_t
  b3fd79d... Replace ClutterVertex by graphene_point3d_t
  2dc42ee... clutter: Set progress function on graphene_point3d_t
  f1a20eb... Replace ClutterSize by graphene_size_t
  6e63110... Replace ClutterPoint by graphene_point_t
  8e88bd5... Replace ClutterRect by graphene_rect_t
  96e165d... Replace ClutterGeometry by graphene_rect_t
  5d79a5f... cogl/matrix-stack: Use graphene types on entries