javascripts at the bottom of the <body>

I think it's best to include scripts at [the bottom of the body element](http://developer.yahoo.com/performance/rules.html#js_bottom).  My pair and I just had a good time debugging some jasmine tests that depended on (rightly or wrongly) being able to use the body from jQuery when the javascripts are parsed outside of a document.ready().
Merge pull request #73 from joshuarh/master

javascripts at the bottom of the <body>