[retro-gtk] (3 commits) Non-fast-forward update to branch wip/aplazas/demo

[Adrien Plazas <aplazas src gnome org>]

The branch 'wip/aplazas/demo' 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:

  bdcc27a... Add retro-gtk-demo

Commits added to the branch:

  7214c1d... core-descriptor: Add get_uri() (*)
  61157ae... core-descriptor: Fix get_uri() (*)
  483463b... Add retro-gtk-demo

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