[mutter] (19 commits) Non-fast-forward update to branch gbsneto/more-clutter-api

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

The branch 'gbsneto/more-clutter-api' 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:

  8093f97... clutter/content: Add clutter_content_invalidate_size()
  915925e... clutter/paint-node: Add multitexture API
  947cdf1... clutter/paint-nodes: Expose ClutterLayerNode

Commits added to the branch:

  562cf14... core: Fix compiler warning (*)
  371b97a... meson: Fix map files and load them to hide private symbols (*)
  0813091... meson: Set proper soversion and version to libraries (*)
  adc5670... meson: Hide symbols by default in clutter (*)
  3838341... meson: Set cogl as dependency of libmutter-cogl dependency (*)
  7f551ba... meson: Don't list libraries private dependencies in pc file (*)
  e352011... MonitorManager: Use composition instead of inheriting from  (*)
  e02fef8... meta: Hide libmutter symbols by default and selectively exp (*)
  2528a39... gitlab-ci.yml: Change build step build type to debugoptimiz (*)
  2e53ce8... meta, startup-notification: Make type declarations public (*)
  8655bc5... clutter: Fix offscreen-effect painting of clones (*)
  5c3ec27... cogl: Fix builds with G_DISABLE_ASSERT (*)
  de41f3e... clutter: Fix builds with G_DISABLE_ASSERT (*)
  d5a7bbd... Fix builds with G_DISABLE_ASSERT (*)
  3fa6a92... screen-cast: Fix monitor recording on HiDPI (*)
  fd99a56... clutter/content: Add clutter_content_invalidate_size()
  7441269... clutter/paint-node: Add multitexture API
  a76f0f9... clutter/paint-nodes: Expose ClutterLayerNode
  9bffe66... clutter/image: Also invalidate size

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