deleted general IRepository in favor of separated generic repository
interfaces, to be used in separate controllers
refactor using IRepositoryDelete<Quiz>
changes to the persistence packages... work in progress
updated DataAccessHelper
Added beginnings of CreatieQuizController ad OpstartController
can't remember
Merge branch 'master' of https://github.com/Berugi/ACE_13-14_Groep2_STTW.git
Continued work on persistence layer