3.13.2 - "Traveled down the road and back again"
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* Subclass TpBaseClient instead of using two simple clients
  [Giovanni; #723440]
* Move dialog controls into the header [Florian; #730776]
* Always show notifications for highlights in other channels

Contributors:
  Giovanni Campagna, Florian Müllner

Translations:
  Carles Ferrando [ca@valencia]