Copy constructors for all abstract api classes api
Merge branch 'master' of https://github.com/faern/book-a-hobbit.git
error handling
error handling
RoomController changed copy method
Removed copy*. Added correct copy to all A*. calculateEndDate to booking
Merge branch 'master' of https://github.com/faern/book-a-hobbit.git

Conflicts:
	se.chalmers.TDA593.Book-a-Hobbit/src/hobbit/api/ARoom.java
	se.chalmers.TDA593.Book-a-Hobbit/src/hobbit/api/ARoomBooking.java
	se.chalmers.TDA593.Book-a-Hobbit/src/hobbit/model/impl/RoomBookingImpl.java
experimenting with papyrus
newModel, replaced abstract classes with interfaces.
started with methods in interfaces
error handling
ARoomImpl: removed unused imports
newModel (a test model) deleted
model: inventorymanager corrected
we can generate code again!
IBooking created (superinterface for IMasterBooking & I RoomBooking)
working on IRoomBooking
model: arrange
IBooking work
IRoomBooking done