Added new fields to the database and fixed the flight search

- Flight search now grabs all passengers who are booked on the specified
flight.

- Also updated the Passenger object to add the new fields.
Merge branch 'master' of git@github.com:COMP-3350-Group-6/Project.git

Conflicts:
	AirlineReservationSystem/database/ReservationDB.properties
	AirlineReservationSystem/database/ReservationDB.script
	AirlineReservationSystem/src/tests/integration/IntegrationHSQLTest.java