3.19.91 – March 1, 2016
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Help licensing (CC By-SA 4.0 International) has been correctly documented, and
copyright has been updated in the files headers and in the About dialog.

Translations:
  Brazilian Portuguese: Artur de Aquino Morais
  Galician: Fran Dieguez
  Hungarian: Gabor Kelemen (new)
  Italian: Milo Casagrande
  Serbian: Мирослав Николић
  Swedish: Anders Jonsson