title: react navigation title wrapped
body: <p>With react navigation, <strong>StackNavigator</strong>, simple header title is getting wrapped. How do I display the full title? In below code, title is Personal Information. But the title does not show full on iPhone 5s device and simulator. </p>
  
  <p><strong>Versions:</strong></p>
  
  <ol>
  <li>"react-navigation": "^1.0.0-beta.11"</li>
  <li><p>"react-native": "^0.47.2"</p>
  
  <p>static navigationOptions = {
      title: "Personal Information"
  };</p></li>
  </ol>
  
  <p><a href="https://i.stack.imgur.com/7CHHU.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/7CHHU.png" alt="enter image description here"></a></p>