Add Caltrain GTFS data

Revision 11/13/2014

Retrieved 12/4/2014 from http://www.caltrain.com/developer/Developer_License_Agreement_and_Privacy_Policy.html?IsSubmitted=True
Initial implementation
Add nextcaltrain cli
Fix issue with data path
Add data as json file
Add async and sync loading versions
Add stations as json file
Add scripts to dump data files
Expose store
Make bin async version
Fix bug in time formatting
Improve console output formatting
Improve console output
Accept fuzzy station names
Cleanup and comments
Improve readme
Rename to nextcaltrain
--number option
Add example to readme