Download GTFS data from AperTO
Summary:
Check version of GTFS data, start adding database classes
Add more GTFS data classes
Test Plan: Check if build works
Reviewers: valerio.bozzolan
Reviewed By: valerio.bozzolan
Subscribers: valerio.bozzolan, Libre BusTO
Tags: Libre BusTO
Differential Revision: https://gitpull.it/D68