[gtk] (17 commits) Non-fast-forward update to branch wip.win32.fixes

[Chun-wei Fan <fanchunwei src gnome org>]

The branch 'wip.win32.fixes' 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:

  f5944a0... media/gstreamer: Support using GL for video for Windows
  d011e81... gtkgstsink.c: Support EGL on Windows as well
  4601e98... gtkgstsink.c: Fix up thinko
  fea7eb2... gtkgstsink.c: Avoid g_setenv()
  93dd45d... gtkgstsink.c: Win32: Limit GL API to gles2 when using EGL
  bfbfdf7... gstglsink.c: Some cleanups
  3f4fa4d... demos/gtk-demo|widget-factory: Temporarily disable gui_app 
  5b894c2... gtkgstsink.c: Check GST_GL_HAVE_PLATFORM_EGL correctly
  63ab791... gtkgstsink.c: Call gst_gl_display_filter_gl_api() always on
  c3a01cc... gtkgstsink.c: Determine GstGLAPI using GDK if needed
  744949a... gtk/meson.build: Fix linking on Visual Studio 2013

Commits added to the branch:

  052917a... label: Fix mnemonic activation (*)
  8828932... floxbox: Fix focus navigation (*)
  105b12f... togglebutton: Fix mnemonic activation (*)
  eb61f0f... treeexpander: Use focusable where we mean it (*)
  281bb5e... treeviewcolumn: Use focusable when we mean it (*)
  21057fb... Merge branch 'focusable-fixes' into 'master' (*)
  2ae1bc8... media/gstreamer: Support using GL for video for Windows
  8dbedb6... gtkgstsink.c: Support EGL on Windows as well
  18d6d8d... gtkgstsink.c: Fix up thinko
  04fa73f... gtkgstsink.c: Avoid g_setenv()
  7049857... gtkgstsink.c: Win32: Limit GL API to gles2 when using EGL
  7184dd0... gstglsink.c: Some cleanups
  64495e3... demos/gtk-demo|widget-factory: Temporarily disable gui_app 
  9e78a68... gtkgstsink.c: Check GST_GL_HAVE_PLATFORM_EGL correctly
  c149550... gtkgstsink.c: Call gst_gl_display_filter_gl_api() always on
  adf7d6f... gtkgstsink.c: Determine GstGLAPI using GDK if needed
  1f609bd... gtk/meson.build: Fix linking on Visual Studio 2013

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