Change identifer in Reservation relation User-Reservation and Room-Reservation, add Test in ReservationDAOImplTest ,refactor ReservationDAOImpl checks and change Sequence id in Reservation for randomid(Temporaly)
add implementation addReservationByAtributes and add test
Merge origin/master

Conflicts:
	src/org/classBooker/dao/ReservationDAO.java
	src/org/classBooker/dao/ReservationDAOImpl.java
	src/org/classBooker/entity/Reservation.java
	test/org/classBooker/dao/ReservationDAOImplTest.java