#1 Multilanguage Support

[Dominik Kallusky]

So far all the output is in english. Would be nice if there were some more languages to choose from.
Most of this should be trivial by replacing NSString by NSLocalizedString.
Other parts may be a bit more tricky, like changing the language of the Google maps directions utilized in the DetailedOverview.
But first off you may only change the easy parts and do the complicated ones later.
Especially I would like to have German translations, since the current coverage only includes Germany.