title: Automatic full screen when video begins to play
body: <p>I'm using this library in my project (Swift-YouTube-Player) 
  Click <a href="https://github.com/gilesvangruisen/Swift-YouTube-Player" rel="nofollow noreferrer" title="this text appears when you mouse over">Swift-Youtube-Player</a>!</p>
  
  <p>my question is when i click play button, full screen mode automatically appear. How can i dismiss this ? </p>