title: Menu contribution for popupsubmenu?
body: <p>In eclipse plugin development i could add files in toolbar, menu and popupmenu by using menu contribution.</p>
  
  <p>In my project I want to add a set of files in the popupsubmenu, </p>
  
  <p>eg : Like the following </p>
  
  <p>Project Explorer -> Right Click -> New -> Annotation, Class, Enum .... </p>
  
  <p>I want to add my files abc,def and xyz.. under the new menu item</p>
  
  <p>What is the locationuri for popupsubmenu ?</p>
  
  <p>Help me on this</p>
  
  <p>Thanks in advance</p>
  
  <p>Regards
  Mathan</p>