title: ReactJS Reflux using mixins with ES6
body: <p>How do you solve mixins with reflux using ES6?</p>
  
  <p>Like this:</p>
  
  <pre><code>mixins: [Reflux.listenTo(myStore, "onChange")]
                          ^
  </code></pre>
  
  <p>Results in error "Unexpected token" with arrow shown above.</p>
  
  <p>React v 0.14.7
  Reflux v 0.4.0</p>