[cogl] (13 commits) Non-fast-forward update to branch wip/quadbuffer-stereo

[Owen Taylor <otaylor src gnome org>]

The branch 'wip/quadbuffer-stereo' 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:

  cdae3ad... Add support for setting up stereo CoglOnscreens
  18a51c6... Add a simple example of stereo drawing
  aaca5a7... CoglTexturePixmapX11: add support for stereo content
  7bc44f7... examples/cogl-x11-tfp.c: Wait for the window to be mapped
  f02d012... examples/cogl-x11-tfp.c: Handle WM_DELETE_WINDOW
  736249b... examples/cogl-x11-tfp: Add a --gears option to run glxgears
  a51ff8e... examples/cogl-texture-pixmap-x11: Add a --stereo command li

Commits added to the branch:

  5556241... atlas-texture: Keep reference on potential destination atla (*)
  f735220... MSVC 2010+ Projects: Update "Installation" Process (*)
  eb7c378... Add a COGL_EXT_IN_GLES3 option to specify extensions that a (*)
  52a646a... Use the EGL_KHR_surfacless_context extension (*)
  fe18355... kms_winsys: Add cogl_kms_renderer_get_gbm api (*)
  d9afc6d... kms-winsys: Add api that tells cogl to ignore a crtc (*)
  a4bc663... examples/cogl-x11-tfp.c: Wait for the window to be mapped (*)
  baa2fba... examples/cogl-x11-tfp.c: Handle WM_DELETE_WINDOW (*)
  7256c99... Add support for setting up stereo CoglOnscreens
  8716cf3... Add a simple example of stereo drawing
  d0c2e43... CoglTexturePixmapX11: add support for stereo content
  2850e07... examples/cogl-x11-tfp: Add a --gears option to run glxgears
  157cc90... examples/cogl-texture-pixmap-x11: Add a --stereo command li

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