added a calculate total button on search page
Merge branch 'master' of https://github.com/sphan/COMP9321
add checkbox for extra bed in bookings page, added more sql population data, added SearchDetailsBean
added booking into app, might have broken some sql. can now book but confirmation page has not been created yet, added changed customer sql schema, added date ranges into BookingListBean. confirming booking creates a new customer every time