51.0
====
* Updated translations:
  cs        (Patrik Sivek)
  de        (Christian Kirbach)
  el        (Efstathios Iosifidis)
  eo        (Kristjan ESPERANTO)
  eu        (Asier Saratsua Garmendia)
  fa        (Danial Behzadi)
  fr        (Mathis Joussemet)
  hu        (Balázs Úr)
  id        (Andika Triwidada)
  pt        (Hugo Carvalho)
  pt_BR     (Rafael Coelho Costa)
  ru        (Artur S0)
  sr        (Мирослав Николић)
  sv        (Anders Jonsson)