[gtk] (4 commits) Non-fast-forward update to branch wip/otte/glcontext

[Benjamin Otte <otte src gnome org>]

The branch 'wip/otte/glcontext' 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:

  cc21630... glcontext: Add GdkGLContext::allowed-apis
  ce1f620... glcontext: Deprecate gdk_gl_context_set_use_es()
  71b084e... gl: Checlk allowed APIs in realize()

Commits added to the branch:

  07b6a7b... glcontext: Add GdkGLContext::allowed-apis
  dee31e4... glcontext: Deprecate gdk_gl_context_set_use_es()
  9ce75c2... gl: Checlk allowed APIs in realize()
  c6cbe31... glcontext: Add gdk_gl_context_get_api()