title: Limit selected checkboxes with Bootstrap button.js
body: <p>I'm trying to set maximal enabled/clickable buttons(checkboxes with Bootstrap button.js) to 3.</p>
  
  <p>How to limit ordinary checkboxes, no problem. But what about this nice feature on Bootstrap? Is there a way to do it?</p>
  
  <p>Here is example: <a href="http://getbootstrap.com/javascript/#buttons-checkbox-radio" rel="nofollow">http://getbootstrap.com/javascript/#buttons-checkbox-radio</a></p>