[mutter] (27 commits) Non-fast-forward update to branch wip/garnacho/wayland-emulated-output-transform

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/garnacho/wayland-emulated-output-transform' 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:

  a4ce296... backends: Mark MetaRendererView:info as G_PARAM_STATIC_STRI
  8646333... backends/native: Split hw supported CRTC rotation modes
  2c23afa... backends/native: Remove unneeded call
  9762c6d... backends/native: Refactor g_object_set() call
  c9988ad... clutter: Add infrastructure to render ClutterStageViews to 
  b609d14... clutter/cogl: Use the "onscreen" on ClutterStageCogl
  1a1f299... backends: Use clutter_stage_view_get_onscreen() on native s
  a787a01... clutter: Hook up ClutterStageView render-to-texture
  ffa664d... clutter/cogl: Transform swap buffers regions into onscreen 
  f65db12... backends: Add MetaStageView::transform property
  05b762d... backends/native: Set transform on MetaRendererViews
  0524e0a... backends/native: Use framebuffer size on swap_buffers imple
  dfda0b4... backends/native: Refactor onscreen creation into separate f
  d9a07ce... backends/native: Set offscreen on the transformed MetaRende
  4bcc6d2... backends/native: Expose all transform modes in CRTCs

Commits added to the branch:

  eb7f332... META_PLUGIN_DECLARE: don't emit an old-style definition (*)
  19e02b3... Updated Czech translation (*)
  c55943d... cogl: Fix a few GISCAN warnings (*)
  5649734... Updated Slovenian translation (*)
  3248c68... build: Say good-bye to intltool (*)
  ea08ed7... Bump version to 3.21.90 (*)
  f271c1b... Updated Polish translation (*)
  c977ba1... backends: Update two-finger scrolling before edge scrolling (*)
  9064b4f... Updated German translation (*)
  f49458c... Updated Indonesian translation (*)
  aea7062... MetaWaylandSurface: Add 'unmapped' signal (*)
  6f8e686... wayland: Add support for the xdg-foreign protocol (*)
  f31d8ba... Updated Brazilian Portuguese translation (*)
  913c32e... Fix build of clutter tests (*)
  a53ca0d... backends: Mark MetaRendererView:info as G_PARAM_STATIC_STRI
  c63558d... backends/native: Split hw supported CRTC rotation modes
  d58f94d... backends/native: Remove unneeded call
  acc2ad9... backends/native: Refactor g_object_set() call
  6302ffe... clutter: Add infrastructure to render ClutterStageViews to 
  f1a0985... clutter: Hook up ClutterStageView render-to-texture
  534f3aa... clutter/cogl: Transform swap buffers regions into onscreen 
  8f05b0e... backends: Add MetaStageView::transform property
  8a50db5... backends/native: Set transform on MetaRendererViews
  f36ae22... backends/native: Use framebuffer size on swap_buffers imple
  c7ff89b... backends/native: Refactor onscreen creation into separate f
  06112b1... backends/native: Set offscreen on the transformed MetaRende
  cb16822... backends/native: Expose all transform modes in CRTCs

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