[gtk] (8 commits) Non-fast-forward update to branch wip/otte/gleanup

[Benjamin Otte <otte src gnome org>]

The branch 'wip/otte/gleanup' 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:

  64cd327... gdk: Require EGL version 1.4 across the board
  68cab9d... ngl: Store the shared driver in the display
  5445198... gdk: Add gdk_gl_context_is_shared()
  6b3784d... gl: Store the context::in-frame state in the current contex
  b57a842... gdk: Get rid of paint contexts
  7e6818e... gl: Require EGL_KHR_surfaceless_context with egl
  22cb94c... gl: Move vfunc
  958e3e3... gdk: Add a GL workaround for nvidia

Commits added to the branch:

  d6fa652... gdk: Require EGL version 1.4 across the board
  62c2678... ngl: Store the shared driver in the display
  27118de... gdk: Add gdk_gl_context_is_shared()
  57383a7... gl: Store the context::in-frame state in the current contex
  bd0c677... gdk: Get rid of paint contexts
  ad70979... gl: Require EGL_KHR_surfaceless_context with egl
  54d2b56... gl: Move vfunc
  1fceb9b... gdk: Add a GL workaround for nvidia