Added - tcpconnect class to establish TCP connection and send/receive text lines
Added - Arrivals class - maintains a sorted list of flight arrivals for a destination
Added - Flight claass - holds informtion about a flight
Added - Makefile (guess what this for)
Added - arrival function, retrieve and display sorted list of flights arrriving at destination
Added - departure function, retireve and display sorted list of flights departing an origin
Added - restart - version of common functions that will auto-restart if interrupted by a signal
Added - trip function, display list possible routes for a trip.
Merge branch 'master' of https://github.com/mturbe/cs4730_project