[gnome-software] (12 commits) Non-fast-forward update to branch wip/hughsie/xdg-app

[Richard Hughes <rhughes src gnome org>]

The branch 'wip/hughsie/xdg-app' 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:

  1199488... Add initial xdg-app support
  55eb726... f

Commits added to the branch:

  f567645... Updated Spanish translation (*)
  f51c829... Add back gtk+ 3.18 compatibility (*)
  4d7c008... Updated Kazakh translation (*)
  243fca6... Updated Turkish translation (*)
  457ead6... Allow the locale value to be shared between all plugins (*)
  518cc93... Split out the shared Appstream functionality into a new fil (*)
  15b6e5d... Move the launch action to the plugin loader (*)
  cb30af6... trivial: Use AsUrgencyKind from libappstream-glib (*)
  422ba53... trivial: Add a small optimisation to avoid using PK for per (*)
  547e756... trivial: Fix the action text caption for live updates in th (*)
  1524d69... Get release information from the AppStream metadata (*)
  6d9e0ee... Add xdg-app support

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