--amend
extended webinterface: getFreeRoomsInBuilding, for MVS requests
fixed new interval search
fixed summmer/wintersemester toString()
fix Semester bug
view: removed class from html element
Controller: fixed typo -.-
Controller: new BuildingOccupancy Webinterface
Model: new EventoAppointment Class
Model: added RoomId to EventoAppointment
Model: update EntityMapping structure
DAO: extended AppDAO with search for EventoId
Model: added EventoId to Appointment
Model: fixed EventoAppointment Jointable stuff
exchanged use of Integers for ids for Longs