More tile changes and styling.
Integrate Disqus.
Include GA Universal Analytics tracking.
New home page design.
Remove commented out lines.
Merge pull request #2 from reevoo/three_part_home_page

New home page design.
Styling fixes for home page.
specify slightly clearer _data sub names
Styling blog entries on home page.
Style post header on home page.
Begin to create a docs nav.
Set max width on images in posts.
Add  Blog post: Refactoring without good test coverage
Change width of page to 960px.
Change the way docs page looks to have a side nav.
Implement a better redirect for doc folders.
Highlight testing tools
WIP: DDD on Rails article
Fix documentation nav spacing.
Indent left nav menu.