Fullcalendar 3.1 Moment Bug

Bug between Fullcalendar 3.1 and updated Moment 2.13+

by Riffic

HTML

<script src="//cdnjs.cloudflare.com/ajax/libs/fullcalendar/3.1.0/fullcalendar.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/moment.js/2.17.1/moment.min.js"></script>
<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/fullcalendar/3.1.0/fullcalendar.min.css">
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>
<div id="fullcalendar">

</div>

JavaScript

$(function(){
  $('#calendar').fullCalendar({
      weekends: false // will hide Saturdays and Sundays
  });
});