Adopted Imprint, please check! (fixes #5)

Changes made to the EPiCS Imprint (please doublecheck that everything is
right!)

Overall reponsibility
* Removed "on behalf of the EPiCS project consortium"

Editorial responsibility
* Removed  "the EPiCS project coordinator," -> responsive Editor is
still Marco Platzner

Disclaimer
* Replaced "The EPiCS website" by "The ReconOS website"
* Replaced "EPiCS shall have" by "The University of Paderborn shall
have"
* Replaced "EPiCS does not" by "The University of Paderborn does not"