Merge pull request #2 from m-mohr/master

updatig my stuff
Datenbankstruktur aktualisiert
Merge pull request #6 from MilanMilanMilan/master

Datenbankstruktur aktualisiert
Merge pull request #7 from CRoh/master

Added team info to imprint
Added logo and favicon, changed navigation style and semantic
Imprint: added email addresses for team, added license, added server libraries
Merge pull request #5 from m-mohr/master

refreshing