title: How to enable perspective bar in eclipse RCP application
body: <p>I created eclipse 4 application project (RCP) with some sample content.</p>
  
  <ol>
  <li><p>How to add perspective bar functionality to this application (exactly the same as in eclipse 4)? </p></li>
  <li><p>Another question is -> how to add functionality which provides installation of plugins?</p></li>
  </ol>
  
  <p>I spent too much time on looking for solution (of course I try to find some on vogela site etc.). It would be really nice if someone helped.</p>