Translated German comments

Change-Id: Ia21618d8475f02cb0fe9c55ae70d2598435087c5
Reviewed-on: https://gerrit.libreoffice.org/7951
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>