Merge branch 'master', remote-tracking branch 'remotes/upstream/master'

Merge branch 'master', remote-tracking branch 'remotes/upstream/master'

* remotes/upstream/master:
  small change in my contact informations in the addon files
  Twitter: avooid sending broken words at the end of a Tweet
  SN: avoide to send broken last words to SN when shorten a message
  SN/T: since inclusion of the title 2xMax_Char is too short, increasing that
  Impressum: added optional page footer
  SN/Twitter relay updated the README file

* master: