title: Changing status bar background
body: <p>I want the status bar to have a darker tone than the navigation bar? how can i implement this in Swift 2.0 in IOS 9
  An exmaple is as attached:<a href="https://i.stack.imgur.com/4dSTP.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/4dSTP.png" alt="enter image description here"></a></p>
  
  <p>I am able to turn the status bars text to white but not the background to a darker tone then the navigation bar? Would i need to a add a separate view over it? And if so how because i cant get it on top of the navigation bar?  </p>