title: display build version on web page
body: <p>I am developing a web site using asp.net core.<br>
  And I publish it with <code>Visual Studio</code> or/and <code>VSTS</code>.</p>
  
  <p>I want to display some information about which build it is on the web page.<br>
  (something like <code>rev 2016.9.20.4002</code>)  </p>
  
  <p>How can I do that?</p>