title: How to display only month in JQuery Full calendar header/Title
body: <p>How can I change the title/header of the jquery calendar. Code I used:</p>
  
  <pre><code> header: {
                  left: 'prev,next today',
                  center: 'title',
                  right: 'month,agendaWeek,agendaDay'
              },
  </code></pre>
  
  <p>I only want to show Month instead of the "Day month, year" format in the header. 
  <strong>Note: I am using full calander:</strong></p>
  
  <pre><code> $('#calendar').fullCalendar({});
  </code></pre>
  
  <p>Help please</p>