[clutter] (8 commits) Non-fast-forward update to branch wip/frame-synchronization

[Owen Taylor <otaylor src gnome org>]

The branch 'wip/frame-synchronization' 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:

 http://live.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  7fb8a09... Add clutter_stage_set_sync_delay()

Commits added to the branch:

  83f2f03... x11/device-manager-xi2: Fix slave to master association (*)
  673e7c1... xi2: Fix access beyond array boundaries (*)
  34e466a... stage-window: make it possible to damage the back buffer (*)
  7f43e20... stage-cogl: Reuse backbuffer contents (*)
  f718deb... clutter-stage: Fix typo (*)
  f9d9ca4... build: Bump cogl requirement (*)
  4e892ce... Updated Galician translations (*)
  7aeae4d... Add clutter_stage_set_sync_delay()

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