3.26.0
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* Updates to System Admin Guide (Marek Cernocky)
* Updated translations:
  cs        (Marek Cernocky)
  de        (Mario Blättermann, Christian Kirbach)
  fi        (Jiri Grönroos)
  gl        (Fran Dieguez, Piotr DrÄ…g)
  hu        (Gábor Kelemen)
  lv        (Rūdolfs Mazurs)
  nl        (hanniedu)
  pl        (Piotr DrÄ…g)
  pt_BR     (Rafael Fontenelle)
  ro        (Daniel Șerbănescu)
  sv        (Sebastian Rasmussen)