implemented checkIn and canCheckIn and getRoomBooking
Merge branch 'master' into checkin
added assignRoom
Merge branch 'master' into checkin
Merge branch 'master' into checkin
changed some arrows
copyARoom implemented
Merge branch 'master' into bookingManager
made a calculateEndDate. Created an assignRoom
Merge branch 'master' into checkin
Merge branch 'bookingManager' into checkin
Implemented copyType & copyCategory
Merge branch 'bookingManager' into checkin
Merge branch 'checkin' of github.com:faern/book-a-hobbit into checkin
Merge remote-tracking branch 'origin/checkin' into checkout

Conflicts:
	se.chalmers.TDA593.Book-a-Hobbit/src/hobbit/model/impl/RoomBookingControllerImpl.java