[cogl] (10 commits) Non-fast-forward update to branch wip/split-cogl-path

[Robert Bragg <rbragg src gnome org>]

The branch 'wip/split-cogl-path' 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:

  a59ad13... Include cogl-defines.h before checking COGL_HAS_ define
  9280b96... Separate out CoglPath api into sub-library

Commits added to the branch:

  aa412b9... cogland: Correctly handle commits without attaching a new b (*)
  15c58ce... cogland: Embed the wl_surface struct directly into CoglandS (*)
  99cf15b... cogland: Listen for Expose events when Cogl is using X (*)
  aa5ba32... Include cogl-defines.h before checking COGL_HAS_ define (*)
  57a7991... xlib: Don't crash just because the display doesn't expose R (*)
  d5261ec... Fix the WGL winsys to not use deprecated feature flags (*)
  99a7f84... win32: Automatically process windows messages when using a  (*)
  81c1ce0... poll: Add general way to hook into mainloop without fd (*)
  e6d3747... Add fence API (*)
  cf07254... Separate out CoglPath api into sub-library

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