Bill bugs

- in bill/text.html.erb changed existing prototype code to jquery with '$j' namespacing identifier
- commented out BillText.setCommentsForNode() for us to handle later with backbone
- fixed broken path from `/simple-socialite-pack.js` to `socialite/socialite.opencongress.js`
- commented out broken test due to akismet issue
- changed rails_helper to spec_helper