vrp: Split up Location into AirDistanceLocation and RoadDistanceLocation
vrp: visualize road distance (by emulation)
delete trainparking data files as long as its not implemented
vrp: add a road distance dataset + importer
vrp: move coursera datasets under capacitated
vrp: rename schedule to solution + add getAirDistance() method + do nothing when clicking in a road distance vrp
comment to clarify why not a List or array