title: Sort NSMutableDictionary based on contents in NSMutable array
body: <p>I have a array <code>NSMutableArray</code> with Values say 
  10, 2, 13, 4.</p>
  
  <p>Also there is <code>NSMutableDictionary</code> with values say 
  (10, a), (20, b), (13, c), (2, d), (33, e)</p>
  
  <p>I want to sort values in <code>NSMutableDictionary</code> in a way that result of dict should be (10, a), (2, d), (13, c) </p>