add checkout occupied rooms
add tables hotel_owners
add peak_periods table
vary discount_periods table
add hotel owner login page and controlller
commit for merge with master
delete all class files for merge
Merge branch 'ReceptionManager'

Conflicts:
	WebContent/WEB-INF/web.xml
	WebContent/payment.jsp
	src/controller/CheckoutController.java
ignore settings file, modified customer url