Implemented isCreditCardValid(), although a model change is needed
before it will compile.
Merge branch 'master' into reservRoom
Merge remote-tracking branch 'origin/master' into reservRoom
Added CategoryController and it's interface.
Implemented BookingManagerImpl
Merge branch 'master' of github.com:faern/book-a-hobbit

Conflicts:
	se.chalmers.TDA593.Book-a-Hobbit/src/hobbit/model/impl/TypeControllerImpl.java
Merge branch 'master' of https://github.com/faern/book-a-hobbit.git
Made IHandleCategory public via BookingComponent
Merge branch 'master' of github.com:faern/book-a-hobbit
update room
Merge branch 'master' of https://github.com/faern/book-a-hobbit into AddType