[gtk] (28 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:

  ebe5973... cssimage: Add gtk_css_image_is_invalid()
  03e7169... cssimage: Add GtkCssImagePaintable
  fedd4e9... css: Implement dynamic values for array values
  c64cddf... cssimage: Implement dynamicity for cross-fades
  5136bc1... aboutdialog: Make logo a paintable
  7ec5977... dnd: Make dnd icon API take a paintable
  8c2fb70... gtk: Add GtkMediaStream
  6a5aafd... gtk: Add GtkMediaFile
  902fac8... mediafile: Turn into an extension point
  721704f... build: Add ffmpeg requirement
  ff2ab1d... gtk: Add ffmpeg implementation of GtkMediaFile
  9b4883c... gtk: Add GtkMediaControls
  c04ceb0... gtk: Add GtkVideo
  5162188... gtk-demo: Add a video example (with controls) to the images
  d0a16c3... demos: Add a video benchmark to widgetbowl demo
  f4f8da6... css: Add initial support for Houdini-style paint() images
  504d17a... THIS IS EVIL DEMO CODE, DO NOT LOOK AT IT.
  92c62e0... paintable: Add gdk_paintable_compute_concrete_size()
  f615210... iconhelper: Rename function
  ab1abed... iconhelper: Rework to allow resizing of paintables
  7d989b7... gtk-demo: Add paintable demo
  b518445... demos: Add an animated paintable demo
  d0840e1... demos: Round up the paintable demos with a media stream
  5b7e17a... build: Add gstreamer dependency
  77045f5... gtk: Add a GStreamer implementation to GtkMediaFile
  7659174... build: Make GStreamer backend the default
  8f8b91e... demos: Unbreak icon for fishbowl demo
  92a5424... gtk-demo: Add a simple video player example

Commits added to the branch:

  c0f42d2... cssimage: Add gtk_css_image_is_invalid()
  9fbb33d... cssimage: Add GtkCssImagePaintable
  92d7ede... css: Implement dynamic values for array values
  2c8021a... cssimage: Implement dynamicity for cross-fades
  e6a22ba... aboutdialog: Make logo a paintable
  79d8c7f... dnd: Make dnd icon API take a paintable
  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