Add Google analytics tracking id.
Updated Google analytics code.
Removed unused sharing, asides, and comments functionality.
Removed unused images.
Removed addCodeLineNumbers function from octopress.js.

Since there were no gist-highlight divs,it didn't do anything.
Remove Flash video fallback.

I don't plan on hosting videos from a GitHub repo.
Remove iOS scaling bug fix.

It has been fixed since iOS6 (http://adactio.com/journal/5802/)
and the fix seems to cause weird behavior when zooming in landscape.
Removed unused page.body_id.
Moved head into the default template.
Remove modernizr script.

Copied the only functionality we needed from it into Octopress.js.
All scripts can now be moved to the end of the body.
Added abstract classes draft