2.3.16:

* Saving:
  - Use the Gtk::FileChooser confirm-overwrite feature 
  instead of our own dialog.
  - Avoid warning when using Save As.
* Translations: Added Catalan (Josep Puigdemont), 
  Dutch (Vincent van Adrighem), Finnish (Ilkka Tuohela), 
  French (Benoît Dejean, Damien Durand), 
  Hungarian (Gabor Kelemen), Slovak (Marcel Telka), 
  Nepali (Pawan Chitrakar)