Merge remote-tracking branch 'upstream/develop' into translations-separation

* upstream/develop:
  fix lint
  Revert "Revert "Update messages.js""
  i18n/messages.js: changed Folgende back to Follower
  updated german translation
  updated german translation
  cleaning up some translations that broke the building
  fix trailing comma
  Update and fix messages.js (pt, eo)