Working circulator pins

Though it freezes the screen a bit, so not as good as it should be.
Readme update
Better Circulator pin placement

Stores pins in local storage on load, and then adds them to the map on
move.
Better circulator stops

Cached for one week, faster, and working better.
Bugfix for circulator stop points
Crazy track work/end of line rail bug fixes
Favorites and route menu update

Fully working and backwards compatible favorites, and route menu
labeling update.
Route label update
Working circulator predictions and route maps
Working favorites for circulator
Circulator route list

I think circulator is all finished at this point!
Final bus fixes
Merge pull request #43 from j-ro/version-1.4

Version 1.4