did stuff
Added header guards.
Merge branch 'Tom'

Conflicts:
	User.h
Fixed Next() to setNext().
Merge branch 'Tom'
Fixed overloading addMinutes()
Merge branch 'Tom'

Conflicts:
	airport.cpp
Debugging
Tom hates crappy commit messages
Merge remote-tracking branch 'origin/Seth'

Conflicts:
	ReservationList.h
	airport.cpp
fixed stuff
Changed flights to datetime in isLegal().
I leik camels
because reasons
I did a thing!
switched recursive addTime to non recursive because you're all boring people
Changes to the formating to look more pretties