title: How to install respond.js in bootstrap 3 in a Rails 4 app?
body: <p>I'm trying to migrate from Bootstrap 2.3.2 to 3.0 for my rails 4 app.</p>
  
  <p>Internet Explorer 8 requires the use of Respond.js to enable media query support.</p>
  
  <p>How do I install Respond.js in my app?   </p>