* and removed in front end

fix. DB-Anbindung korrigiert, wo noch fehlerhaft
fix. taglibs eingebunden (funktionieren)

#77 create Table for Peer2PeerFeedback
#78 db communication (create new entry)
#79 implement createPeer2PeerFeedback
#80 adjust view for student (givefeedback)

#76 feat: unitTests for JournalDAO, fix: Bug in getAllByProject where some wrong Journals where returned

Started to implement machine learning.

feat: started to implement cheat resisting workRating

fix: post request works in /calculate and Grades was exchanged by ArrayList(Grading), whoop uhm.. whoop!

test: adding unit tests for endpoints