title: UIImageView fill in UIView
body: <p>I have a <code>UIImageView</code> as a <code>subview</code> of <code>UIView</code> (frame size <strong>300 x 300</strong>). My <code>UIImage</code> would be either portrait, landscape or some odd sizes. How do I fill in the <code>UIImage</code> within the <code>UIView</code> frame size without stretching the image to <strong>300 x 300</strong>?</p>
  
  <p>The purpose of this, I will be adding another <code>UIImageView</code> as the image border. 
  Please help.</p>
  
  <p>Thanks.</p>