Apartment mapper updated

	checkAvailableApartment added
	findAvailableApartment not altered
	Reviewed by: Go5
Merge branch 'master' of https://github.com/CodingCo/NewERP
Controller and dbfacade created

	missing input from chatty
	Reviewed by: Simon
Merge branch 'master' of https://github.com/CodingCo/NewERP
facade supports update booking

	reviewed by: Simon