[gtk] (22 commits) Non-fast-forward update to branch wip/otte/paintable

[Benjamin Otte <otte src gnome org>]

The branch 'wip/otte/paintable' 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:

  0665253... gtk: Add GtkMediaStream
  7956505... gtk: Add GtkMediaFile
  7babad6... mediafile: Turn into an extension point
  c603cf1... build: Add ffmpeg requirement
  48abec9... gtk: Add ffmpeg implementation of GtkMediaFile
  7354c44... gtk: Add GtkMediaControls
  7dbb6bf... gtk: Add GtkVideo
  f953e0d... gtk-demo: Add a video example (with controls) to the images
  3d328f7... demos: Add a video benchmark to widgetbowl demo
  63c5229... css: Add initial support for Houdini-style paint() images
  c033be6... THIS IS EVIL DEMO CODE, DO NOT LOOK AT IT.
  b6d05b1... paintable: Add gdk_paintable_compute_concrete_size()
  c4efbf7... iconhelper: Rename function
  bc8074b... iconhelper: Rework to allow resizing of paintables
  09fa35f... gtk-demo: Add paintable demo
  bedc159... demos: Add an animated paintable demo
  0cd727a... demos: Round up the paintable demos with a media stream
  d7f335a... build: Add gstreamer dependency
  c41a483... gtk: Add a GStreamer implementation to GtkMediaFile
  5c9333b... build: Make GStreamer backend the default
  1bfa780... demos: Unbreak icon for fishbowl demo
  c3ec33f... gtk-demo: Add a simple video player example

Commits added to the branch:

  2714a39... gtk: Add GtkMediaStream
  777ad71... gtk: Add GtkMediaFile
  c433b68... mediafile: Turn into an extension point
  41d8b53... build: Add ffmpeg requirement
  f197255... gtk: Add ffmpeg implementation of GtkMediaFile
  2e744c6... gtk: Add GtkMediaControls
  69cd91a... gtk: Add GtkVideo
  1669009... gtk-demo: Add a video example (with controls) to the images
  188d17d... demos: Add a video benchmark to widgetbowl demo
  d25686a... css: Add initial support for Houdini-style paint() images
  f3905ca... THIS IS EVIL DEMO CODE, DO NOT LOOK AT IT.
  74b2e6c... paintable: Add gdk_paintable_compute_concrete_size()
  bc6908c... iconhelper: Rename function
  409d162... iconhelper: Rework to allow resizing of paintables
  442973e... gtk-demo: Add paintable demo
  9a7311a... demos: Add an animated paintable demo
  eaa045b... demos: Round up the paintable demos with a media stream
  81d84c6... build: Add gstreamer dependency
  700ab92... gtk: Add a GStreamer implementation to GtkMediaFile
  b556227... build: Make GStreamer backend the default
  04b47a2... demos: Unbreak icon for fishbowl demo
  7ac796c... gtk-demo: Add a simple video player example