updating spanish translations
Merge remote-tracking branch 'upstream/master'
Merge pull request #166 from ramabit/master

updating spanish translations
Merge remote-tracking branch 'upstream/master'
add missing translation
review German
Merge pull request #169 from MichaelKohler/germanreview1

review German
Merge pull request #168 from ramabit/master

add missing translation (es)
fix links [fixes #154, fixes #153] + change title for facebook + remove unnecessary full stop
Merge pull request #171 from MichaelKohler/newlinks

fix links [fixes #154, fixes #153] + change title for facebook + remove ...