[mutter] (7 commits) Non-fast-forward update to branch gbsneto/more-screencast

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

The branch 'gbsneto/more-screencast' 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:

  e2fbfa8... cogl/scanout: Add new vfunc to blit to framebuffer
  064167c... clutter/stage-view: Add method to peek scanout
  2323c7c... monitor-stream-src: Blit scanout when available
  ac44036... monitor-stream-src: Generalize function
  70be7f7... monitor-stream-src: Add before-paint watch to catch scanout

Commits added to the branch:

  dd288ab... cogl/scanout: Add new vfunc to blit to framebuffer
  7fbd4da... clutter/stage-view: Add method to peek scanout
  52fde2e... monitor-stream-src: Blit scanout when available
  bfb2ba7... clutter/stage: Add new before_paint signal hook
  3ca08ef... meta/stage: Process BEFORE_PAINT watchers at ClutterStage.b
  f55e948... monitor-stream-src: Generalize function
  48feeb2... monitor-stream-src: Add before-paint watch to catch scanout