[polari] (7 commits) Non-fast-forward update to branch wip/fmuellner/bg-app

[Florian Müllner <fmuellner src gnome org>]

The branch 'wip/fmuellner/bg-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:

  895b6ed... application: Add application style only once
  bbad679... chatView: Cancel backlog fetching on destroy
  3a36ce5... app: Add option to run in background
  e586f8f... mainWindow: Offer to keep running in background on close

Commits added to the branch:

  98b594f... Update Friulian translation (*)
  3c73662... Update German translation (*)
  3721e79... Updated Czech translation (*)
  232f63a... application: Add application style only once
  40d173c... chatView: Cancel backlog fetching on destroy
  e4621a6... app: Add option to run in background
  4d28c9d... mainWindow: Offer to keep running in background on close

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