This reverts commit d11190031ecc0d015da3085391c5a89456c3502b.

Added a footer with some relevant information and re-formatted the c/o
in address.

“and others, see gitweb” rationale: we all work on various documents,
styles, classes, etc. so the main document author is not the only
author at least for the metadata (this does not change the author
information displayed in print, where content is the only thing
that matters)

[verein.git] Wir sind e.V.! Aber das i.Gr. taucht bestimmt noch öfter auf als Tannennadeln in den Socken…