German translations for welcome screen, password management and AUP (port forward) (#3716)
German translations for welcome screen, password management and AUP (port forward) (#3716)

* Added German translations for welcome screen, password management and AUP.

* Further revised German translation.

rrenomeron/cas,rrenomeron/cas,rrenomeron/cas,rrenomeron/cas,GIP-RECIA/cas,GIP-RECIA/cas,GIP-RECIA/cas,GIP-RECIA/cas,GIP-RECIA/cas,rrenomeron/cas