[gtk] (19 commits) Non-fast-forward update to branch matthiasc/gl-media-stream

[Matthias Clasen <matthiasc src gnome org>]

The branch 'matthiasc/gl-media-stream' 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:

  63832fb... media: Add support for OpenGL to GtkGstMediaFile
  afced57... video: Realize the media stream before setting a file
  b795f1f... gst: Convince gstreamer to deliver GL memory
  87eff50... Only force GL if we're using a GL renderer
  1aeed57... Make GL buffers work
  2797b38... Fix an oversight
  2b764b9... Revert "Only force GL if we're using a GL renderer"
  85f58e5... Make the fishbowl video use GL
  bc9bc96... fishbowl: Add a "video view" for comparison

Commits added to the branch:

  4fb70c5... gtk/window: remove GtkWindowGeometryInfo from public header (*)
  0ba5631... video: Pause on unset too (*)
  afccb86... Update Romanian translation (*)
  384081c... Merge branch 'matthiasc/for-master' into 'master' (*)
  c804645... video: Tweak the docs (*)
  01b94db... Merge branch 'matthiasc/for-master' into 'master' (*)
  38166a6... NEWS: Updates (*)
  e383547... Update German translation (*)
  51a6b29... Update German translation (*)
  36b4995... Updated Lithuanian translation (*)
  cf623ce... Merge branch 'window-geometry-info' into 'master' (*)
  fe7b11b... Adwaita: increase contrast of popover separators (*)
  874b19b... Merge branch 'wip/jimmac/popover-separators' into 'master' (*)
  8f585f7... video: Realize the media stream before setting a file
  7901ab8... media: Add support for OpenGL to GtkGstMediaFile
  53fe751... media: Convince gstreamer to deliver GL memory
  536a67e... media: Only force GL if we're using a GL renderer
  60fc31a... gtk-demo: Make the fishbowl video use GL
  1037f00... gtk-demo: Add a "video view" for comparison

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