Added CNAME for jekyll.jsonapi.org for testing.
Added basic Jekyll config.
Replaced middleman.

POJ (Plain Old Jekyll) is this much simpler:

  https://gist.github.com/brixen/5537666
Removed Gemfile.lock.

Dependencies need to be calculated by each implementation. Gemfile.lock does
not include information about which implementation created the file. It makes
more sense to lock down dependencies in Gemfile.
Moved 'source/*' to '.' .
Removed lib and migrated layout.erb.
.gitignore Gemfile.lock and public/.
Additional excludes and added network port to config.
Restructure as a jekyll site.
Removed middleman config.
Simplify CSS file naming using SCSS.
Switch to redcarpet Markdown processing.
A bunch of site structure updates.
Some CSS updates.
A few more structure updates.
Removed some more middleman cruft.
CSS for yntax highlighting.

Styles imported from:
  https://github.com/richleland/pygments-css/blob/master/github.css
Renamed History to About.
Added rake tasks for previewing.
Ignore Rubinius compilation cache.