Jekyll, GitHubPages, and You! deck, per #70

![Screen Shot 2013-03-29 at 1 55 02 PM](https://f.cloud.github.com/assets/282759/318505/06476e82-989a-11e2-9015-c0e568f58f30.png)

**Todo**:

- [ ] Pretty pictures, octocats, etc.
- [ ] Tightening the language a bit to make things clearer to n00bs
- [ ] Screencast

cc @matthewmccullough, @brntbeer