title: fullcalendar: Showing empty days in listWeek view
body: <p>By default "listWeek" view shows only day that has events. How to show anyway all the week's days?</p>
  
  <pre><code>$('#calendar').fullCalendar({
          // put your options and callbacks here
          eventSources: [
              {
                  url:  '/ordini/ajax_calendar/',
                  type: 'POST',
              }
          ],
          header:
          {
              left: 'prev,next today',
              center: 'title',
              right: 'month,agendaWeek,agendaDay,listWeek'
          },
          selectable: true,
          selectHelper: true,
          editable: true,
          defaultView:'listWeek',
  </code></pre>