title: UI-Bootstrap Datepicker Ignores ng-Change in Some Cases?
body: <p>I'm trying to understand why the Clear and Today buttons in the below plunker don't cause ng-change to fire.</p>
  
  <p>For reasons beyond the scope of this question, I can't use a $watch on my ng-model variable.</p>
  
  <p><a href="http://plnkr.co/edit/Hw6fviimNdPJLu3IVit1?p=info">http://plnkr.co/edit/Hw6fviimNdPJLu3IVit1?p=info</a></p>