Revert "some changes in impressum"
Revert "some changes in impressum"

This reverts commit db9f9bfc6005493f8777b60e8e07d453b382c41a.

pep-dortmund/towards-a-new-website,pep-dortmund/towards-a-new-website,pep-dortmund/towards-a-new-website,pep-dortmund/towards-a-new-website