title: How to sort knockout nested list?
body: <p>Taking the contacts editor here: <a href="http://jsfiddle.net/rniemeyer/gZC5k/" rel="nofollow">http://jsfiddle.net/rniemeyer/gZC5k/</a> </p>
  
  <p>How can you sort by the phone numbers per se?</p>
  
  <p>I want Home First, Mobile, Office, Fax etc.....</p>
  
  <p>Any ideas would be much appreciated.</p>