Several small details in Portuguese translation

* Fixed indentation to comply with Node.js Style Guide
* Case fixes
* Comma spaces fix
* Incomplete UpgradeVersionDescription fix
* Sort genres alphabeticaly by the translated string
* Translate "understand" the same way in legalDisclaimerResponsible and
  legalDisclaimerAccept
* Use of 3rd person instead of 1st person
* Translate "Popular" instead of "all" in genres
* Added missing languages