title: Install and use react 0.14.0
body: <p>I am trying to use react- 0.14.0 in my project , and I am getting this error </p>
  
  <blockquote>
    <p>Invariant Violation: ReactDOM.render(): Invalid component element. This may be caused by unintentionally loading two independent copies of React.</p>
  </blockquote>
  
  <p>this is the code :</p>
  
  <pre><code>var React = require('react')
  var ReactDOM = require('react-dom')
  
  var Scanner = require('./scanner')
  var dictionary = {
      list-users : [
          {
          name : "Alex",
          age : "24",
          profile : "../images/profile.jpg"
  
          },
         {
          name : "David",
          age : "22",
          profile : "../images/profile2.jpg"
  
          }
      ]
  }
  
  var elemnet = React.createElement(Scanner,dictionary)
  ReactDOM.render(elemnet,document.querySelector('.content'))
  </code></pre>
  
  <p>the  node_modules shows:<br>
  react 0.13.3<br>
  and react-dom 0.14.0</p>