Merge pull request #18 from lilkraftwerk/trip_updates

Added directions column and renamed destination to make more sense
seeded database with station information

* gets all 44 stations, lat, long, all that
Renamed to convention
Updated class name
Merge pull request #19 from lilkraftwerk/seeds

seeded database with station information
Mass assignment and the beginnings of creating a trip.
integrated talking between bart api and gmaps api
renamed columns in trips table, added time_to_leave
getting seconds instead of minutes string from gmaps
added lat long string concat to station model
added endpoint to arrival times to specify bart line
cleaned up trips controller