Sammy

Added 0.40 compatibility and updated usage in README

1

I updated the headers for react-native 0.40 and updated the JS in the usage instructions.

### things that work: 1. buses have colors 2. route have same colors ### things that don't work: 1. clicking on buses 2. ui chrome

Can a refresh be triggered with code?

3

I'd like my list view to refresh on initial render to update stale cache. Is that possible?