[mutter] (8 commits) Non-fast-forward update to branch wip/barriers-try-2

[Jasper St. Pierre <jstpierre src gnome org>]

The branch 'wip/barriers-try-2' 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:

  b178af1... Select for XI2 events everywhere else
  ae2d51a... display: Add spew for XI2
  dedde31... ui: Use XI2 to fake GDK events
  0ed41b4... Remove support for Core Events
  83e80d6... display: Require XFixes 5.0
  caf0b78... barrier: Add a new Meta wrapper for pointer barriers
  3ec77b6... barrier: Add signals for when a barrier gets hit
  3914dc1... barrier: Add support for releasing a barrier

Commits added to the branch:

  4f19839... Select for XI2 events everywhere else
  8ec3504... display: Add spew for XI2
  6460665... ui: Use XI2 to fake GDK events
  298a1d6... Remove support for Core Events
  cdf4fe2... display: Require XFixes 5.0
  4197582... barrier: Add a new Meta wrapper for pointer barriers
  4bb17cb... barrier: Add signals for when a barrier gets hit
  834d9ea... barrier: Add support for releasing a barrier