[retro-gtk] (7 commits) Non-fast-forward update to branch wip/aplazas/0.13

[Adrien Plazas <aplazas src gnome org>]

The branch 'wip/aplazas/0.13' 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:

  3609ff8... Port CairoDisplay to C
  08717f6... Port MemoryType to C
  03337d2... Port g_log() to C
  9569151... Port CoreDescriptor to C
  ed1c836... Port MainLoop to C
  11cd07b... core: Add documentation
  716a3c7... documentation

Commits added to the branch:

  1e4545f... Port CairoDisplay to C
  ab987ae... Port MemoryType to C
  8a56a53... Port g_log() to C
  9e7aa27... Port CoreDescriptor to C
  3844c27... Port MainLoop to C
  fa549b3... core: Add documentation
  e5fc215... documentation