Copy GTFS schemas from https://github.com/justjkk/chennai-rail-gtfs
First attempt at importer.
Speed import by using native zip commands instead of RubyZip
Include a pretty progress bar!
Always be closing
Fix bug where only stops table was being imported.
First attempt at updating JSON generation.  It's really slow.
Importer accepts the files to import as command line arguments.
go.rb can handle NJTransit's feed
Re-include the Sinatra server, map now works.
Use built-in result hashes instead of Arrayfields.

* Randomly resulted in a performance improvement.
Use ActiveSupport instead of homebrew Integer#hours
Use ActiveRecord's monkey patches instead of my own.
Put the GtfsServer inside of a class
Move Importer into lib/ directory

* Give each class its own file like a big boy program
Extract database creation into top-level scripts so underlying logic can be more easily tested
Add NJTransit downloading
Add MTA GTFS file downloading
Oh, that's how Ruby works.
Use URLs as filenames so that they don't overwrite each other.