Using new convention for Bookings: [start_date, end_date) [inclusive,
exclusive)
e.g. [6.00, 11.59.59]
Resolved 1/2 corner cases:
start-date > datastore Booking.start_date, end-date of a booking >=
datastore Booking.start_date.

Bug remaining (2/2):
Booking start_date > datastore.start_date
Booking end_date < datastore.end_date
Merge branch 'MakeABookingServlet' of
https://github.com/VWJF/417ParkingSpot.git into MakeABookingServlet

Conflicts:
	parking/src/parking/MakeBookingServlet.java