Added basic documentjs site

This adds in a basic DocumentJS site modeled after FuncUnit's. No styling has been changed and it still has the FuncUnit logo. Will let others decide if Syn deserves its own logo and design, I just wanted to get some documentation that users (myself included) can use.

There is no front page currently, it just redirects to `/docs`. Looks like:

![screen shot 2014-03-01 at 9 20 53 am](https://f.cloud.github.com/assets/361671/2301625/bad500de-a150-11e3-9839-31c02987bf1d.png)