[gnome-games] (9 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:

  973883e... core: Add UriGameFactory.get_schemes()
  d481d8e... generic: Make GenericUriGameFactory handle schemes
  474a222... generic: Make GenericUriGameSource handle schemes
  df3235c... utils: Add Uri.from_uri_and_scheme()
  196d786... steam: Add SteamUriIterator
  2fd620c... steam: Add SteamUriSource
  c704a1a... steam: Use SteamUriSource and a generic game factory
  3a1b5d2... steam: Remove now unused SteamGameSource
  e02a700... libretro: Add LibretroGameSource.game_for_uri()
  ae0bf12... steam: Fixes

Commits added to the branch:

  e71c56d... core: Add UriGameFactory.get_schemes() (*)
  b12d611... generic: Make GenericUriGameFactory handle schemes (*)
  2c3df36... generic: Make GenericUriGameSource handle schemes (*)
  5843eb3... utils: Add Uri.from_uri_and_scheme() (*)
  20c5448... steam: Add SteamUriIterator (*)
  c4e8dd9... steam: Add SteamUriSource (*)
  6ec89ca... steam: Use SteamUriSource and a generic game factory (*)
  4ec9259... steam: Remove now unused SteamGameSource (*)
  668aa9d... libretro: Add LibretroGameSource.game_for_uri()

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