moved everything to core folder
introduced AuditPersistence, moved service, entity etc.
renamed AuditService to AuditGateway
moved Event entity
added VotingGateway, VotingPersistence
finished persistence and gateway refactoring, first part
moved stuff to new structure
zeitgeist
added audit and event, renamed database entities -> suffix Entity
moved frontend models
added audit service
Added requested distinct-feature for CriteriaHelper
Use CriteriaHelper and TypedQuery instead of Query in VotingDao
Merge branch 'buffin-zeitgeist'
finished gateways
moved test
renamed some services to interactors
finished refactoring of DecisionInteractor
added EventResultEvaluator
added requestmodels to responsemodels
added mail boundary
Introduced Event Boundary
introduced user boundary

TODO: vote interactor is next!
vote interactor finished, frontend is next
moved interactors and some other classes
added flyway script for winning location
added method for participating users of event
TODO: implement!