Modernizr fix

Added "//= require modernizr" to the application.js to make the error go away in chrome console. Corrected the README.md
![screenshot from 2013-06-13 17 42 58](https://f.cloud.github.com/assets/110218/648213/5bb9c37c-d424-11e2-8ae8-7fb1c27531d7.png)