title: Can't find variable: React
body: <p>I am trying to make a simple iOS page with a button that triggers an action.
  I have followed the tutorial on how to get started and this is my index code:</p>
  <pre><code>'use strict';
  var React = require('react-native');
  var {
    AppRegistry,
    StyleSheet,
    Text,
    View,
    TouchableHighlight,
    Component,
    AlertIOS // Thanks Kent!
  } = React;
  
  class myProj extends Component {
   render() {
      return (
        &lt;View style={styles.container}&gt;
          &lt;Text&gt;
            Welcome to React Native!
          &lt;/Text&gt;
          &lt;TouchableHighlight style={styles.button}
              onPress={this.showAlert}&gt;
              &lt;Text style={styles.buttonText}&gt;Go&lt;/Text&gt;
            &lt;/TouchableHighlight&gt;
        &lt;/View&gt;
      );
    }
   
    showAlert() {
      AlertIOS.alert('Awesome Alert', 'This is my first React Native alert.', [{text: 'Thanks'}] )
    }
  }
  
  var styles = StyleSheet.create({
    container: {
      flex: 1,
      justifyContent: 'center',
      alignItems: 'center',
      backgroundColor: '#FFFFFF'
    },
    buttonText: {
      fontSize: 18,
      color: 'white',
      alignSelf: 'center'
    },
    button: {
      height: 44,
      flexDirection: 'row',
      backgroundColor: '#48BBEC',
      alignSelf: 'stretch',
      justifyContent: 'center'
    }
  });
  
  AppRegistry.registerComponent('myProj', () =&gt; myProj);
  </code></pre>
  <p>The problem is that when I run it from Xcode on my device I get</p>
  <pre><code>Can't find variable: React
  render
  main.jsbundle:1509:6
  mountComponent
  mountChildren
  </code></pre>
  <p>Any idea what might be the problem here?</p>