[gnome-games] (6 commits) Non-fast-forward update to branch wip/aplazas/781334-refactor-game-sources

[Adrien Plazas <aplazas src gnome org>]

The branch 'wip/aplazas/781334-refactor-game-sources' 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:

  6006d8f... steam: Add SteamUriSource
  71e7817... steam: Add SteamGameSource.game_for_uri()
  ef638d6... libretro: Add LibretroGameSource.game_for_uri()

Commits added to the branch:

  1dee7c3... utils: Add the Uri class (*)
  1b85607... Use the new Uri type (*)
  4d68c98... desktop: Catch error in DesktopPlugin.get_uri_sources() (*)
  bb22b16... steam: Add SteamUriSource
  7bab710... steam: Add SteamGameSource.game_for_uri()
  717f075... libretro: Add LibretroGameSource.game_for_uri()

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