[gnome-software/wip/rancell/apt] (22 commits) ...Merge branch 'gnome-3-20' into wip/rancell/apt

[Robert Ancell <rancell src gnome org>]

Summary of changes:

  88b576f... Updated Italian translation (*)
  fded44c... Updated Turkish translation (*)
  a39fd45... Updated Serbian translation (*)
  bdc52b9... Updated Serbian Latin translation (*)
  7ef86d9... Updated French translation (*)
  8f7448e... Updated Danish translation (*)
  7289894... Updated Japanese translation (*)
  c702991... Release version 3.20.0 (*)
  a81e40c... trivial: Post release version bump (*)
  96f9228... Updated Dutch translation 3.20 (*)
  0d19d50... Fix a crash when building xdg-app frameworks (*)
  285c568... Updated Basque language (*)
  c52fe75... Updated Chinese (Taiwan) translation (*)
  50c07d3... Never show the 'Remove' button for firmware (*)
  043ef3b... Show the correct button text when installing firmware (*)
  a642132... Do not introduce a string addition in the stable branch (*)
  21c98f0... Do not make the ODRS plugin depend on xdg-app (*)
  96aa51d... Fix live installing firmware (*)
  d564ff4... Support installing firmware live using fwupd (*)
  e769d4d... Support unlocking fwupd devices (*)
  61ab9be... Updated Serbian translation (*)
  8891740... Merge branch 'gnome-3-20' into wip/rancell/apt

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