title: Bring iPhone app to front when Node.js emits something
body: <p>Hi I am developing an iPhone app using <code>phonegap</code>
  I have my <code>Node.js</code> server in place and is working fine.</p>
  
  <p>I have designed a simple chat application and its working fine as well...</p>
  
  <p>Now what I want to do is,
  If I press the round button on <code>iPhone</code> the app goes in background.
  And it keeps receiving messages while running in background. I want to bring this app to the front (maximize) when the app receives event while running in background.</p>
  
  <p>How to do that?</p>