Added some basic bootstrap CSS/js

* See http://getbootstrap.com for more info and
  http://getbootstrap.com/examples/grid/ for an example

This is very minimal at this point, but it gives you a lot of tools you can use for styling from bootstrap.css (see links above for reference, or ping me...).


This is a preview of what it looks like:
![screen shot 2014-03-06 at 2 31 09 pm](https://f.cloud.github.com/assets/3287/2350280/7e648c7e-a56e-11e3-8289-54818fe67bfa.png)