title: Fullcalendar show "end date" one day off
body: <p>Fullcalendar show "end date" one day off<br>
  json is jan 12th, to 16th, but the calendar show 12th to 15th
  here is the code</p>
  
  <pre><code>var calCon = $('.cal');
  calCon.fullCalendar({
      prev: 'left-single-arrow',
      firstDay: 1,
      weekends:true,
      weekNumbers:true,
      ignoreTimezone:false,
      allDayDefault:true,
      weekNumberCalculation:"ISO",
      defaultView:"basicWeek",
      timeFormat: 'H(:mm)',
      events: {
          url: "/calendarjson.xsp",
          cache: false
      }
  })
  </code></pre>
  
  <p>here is the json  </p>
  
  <pre><code>[{"color":"#3a87ad","id":"123","allday":"1","url":"/...","end":"2015-01-16T10:00:00.0+0100","start":"2015-01-12T09:00:00.0+0100","title":"Thomas Adrian"}]
  </code></pre>
  
  <p><img src="https://i.stack.imgur.com/TkbvU.jpg" alt="enter image description here"></p>
  
  <p>I am using allDayDefault because time is not important.<br>
  What am I doing wrong?</p>
  
  <p>I am using the latest fullcalender 2.2.5<br>
  I have tried to change the time but it is still the same</p>