Update german.c (#1058)

* Update german.c

Additions of last 2 months
Spelling fix to Karawanserei
maybe new Paragraph if working

* Update german.c

deleting obsolete warehouse overlay

* Update german.c

shorter sentence

* Update german.c

trying to shorten senteces for small ui windows

* Update german.c

minor change

* Update german.c

* Update german.c

missing ,