refactored gist embedding
removed TODO
Add option to use Disqus comments

Configure with disqus_shortname environment
variable
Merge pull request #86 from invisiblefunnel/disqus-comments

Add option to use Disqus comments
Merge pull request #67 from mindscratch/upstream

Refactored gist embedding
Customizatinos for blog
Better formatting and ordering
Better layout and feedburner
Fix colors
Styling fixes
Change tagline
Update post ordering
Fix styling and ordering
Update rails
Rails version change
Merge origin
Update time ordering
Add 404 page