Updating libraries to the following versions:

  * Twitter Bootstrap 3.0.0 RC1
  * Ember 1.0.0 RC6
  * jQuery 2.0.3
  * less 1.4.1
  * Handlebars 1.0.0
  * Underscore 1.5.1
  * Font Awesome 3.2.1
  * require.js 2.1.8
remove old Twitter Bootsrap, Ember, and Handlebars

This commit performs some cleanup on the repository, making way
for Bootstrap 3.0 and blowing away Ember and Handlebars.