Version 3.18.2
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- windowpicker: implement logout button. (Sebastian Geiger)
- windowpicker: show title also for non-maximized windows. (Sebastian Geiger)
- windowpicker: small fixes. (Sebastian Geiger)
- Updated translations:
  Marek Černocký (cs), Mario Blättermann (de), Pedro Albuquerque (pt),
  Piotr Drąg (pl), Rafael Fontenelle (pt_BR).