#40 feat: adding mysql connect as injection, feat: implementing in memory database for tests, move fltrail.sql to test/resources/database, so it can be used in test for building the inmemory database

#40 moving fltrail.sql script to test resource folder to use it automatically for test database creation

* 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