Update to 1.12.1
    
    - Enable compose support.
    - Add buttons to move key bindings for a command up or down.
    - Make translations of 'Edit key bindings for command “%s”' work
    - Added it_util.py to POTFILES, it had translatable strings for
      the “About” dialog and the key settings dialog.
    - Update translations from Weblate (updated ca, de, fr, tr, uk)