title: How do you size a button to an image in the xcode IDE?
body: <p>Every week I get some image updates from our graphic designer and often the sizes change. I am now bored of manually working out the size of the image and setting the button size to suit - a process I must follow to ensure the image is displayed at it's natural size for best quality.</p>
  
  <p>Surely there must be a way in xcode to tell it to size the button to suit the background image?</p>