title: Intellij UML diagram does not show one to many relationships
body: <p>I am trying to follow <a href="http://www.jetbrains.com/idea/features/uml_class_diagram.html" rel="nofollow">http://www.jetbrains.com/idea/features/uml_class_diagram.html</a> I have a few classes so when I do Ctrl + Alt + U I only see all classes and just Extends relationships.</p>
  
  <p>Please note that I have set the "Diagrams" options in my settings to show one to many etc.</p>
  
  <ul>
  <li>I do not see One to One, One to Many relationships at all ? I have used JPA OneToOne Annotations and they dont turn up at all?</li>
  <li>Pressing Ctrl Shift F12 does not do anything?</li>
  </ul>
  
  <p>Can someone please explain?</p>