Wrote addRoom
Tested addRoom, done with that one yey
Merge branch 'classcodegens' of https://github.com/dannylam/ogretel.git
into classcodegens

Conflicts:
	Papyrus/Make a Booking/src/maintenancemodel/RoomHandler.java
	Papyrus/Make a Booking/src/maintenancemodel/impl/RoomHandlerImpl.java
Merge branch 'classcodegens' of https://github.com/dannylam/ogretel.git into classcodegens