Initial steps of converting to Jekyll.

* Adds basic Jekyll structure/config
* Port example static (index) page
* Port example blog post
* Move static content to top level

All other pages/posts still need converting, but this is a minimally working step.

Notable totos, sorting out the grunt build/deploy step, which expects `app/`
Port static pages (about/code) to Jekyll
Add a blog index
Convert all the old blog posts to Jerkyll format
Fix grunt deployment, consoliate dist dirs