title: Customizing UIAlertController in iOS8
body: <p>As in iOS8 <code>UIAlertView</code> is deprecated.we should use <code>UIAlertController</code>.
  I want to customize it like font color, font family of message label of alertcontrller's view, also change background color of ok button.i don't know the right way to do that.</p>
  
  <p>Please Help!!</p>
  
  <p>Any help will be appreciable!! </p>