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 ...
address comments by John Slater and Jessica Osorio design-wise
Merge pull request #172 from MichaelKohler/design

address comments by John Slater and Jessica Osorio design-wise
change sign download structure + string + add link
Merge pull request #173 from MichaelKohler/signs

change sign download structure + string + add link
use target blank to open link
Merge pull request #174 from MichaelKohler/target

use target blank to open link
fixing spanish translation
Merge remote-tracking branch 'upstream/master'