title: Cannot find module 'classnames'
body: <p>I am getting the following error when I try and run grunt on a react project</p>
  
  <p>$ grunt server
  Running "browserify:dist" (browserify) task</p>
  
  <blockquote>
    <blockquote>
      <p>Error: Cannot find module 'classnames' from 'd:\wamp\www\react1\app\assets\js
      \components'
      Warning: Error running grunt-browserify. Use --force to continue.</p>
    </blockquote>
  </blockquote>
  
  <p>Aborted due to warnings.</p>