Travis CI integration

Pretty self explanatory. Adds a `.travis.yml` to the repo, so Travis CI will run our JS tests. Also includes a fix by @psobot to the parser, so that the Eastern timezone is always used.
Aren't we going to want this to be this repository, not yours?

```
[![Build Status](https://travis-ci.org/UWFlow/rmc.svg?branch=travis_ci_integration)](https://travis-ci.org/JGulbronson/rmc)
```