title: $('#calendar').fullCalendar('option', 'lang', value); dosn't work
body: <p>I'm trying to change the language of a fullcalendar dynamically depending of the language selected in my interface. the dropdown which change the language is associated to a factory and to get the changed value I use a watch:</p>
  
  <pre><code>$scope.$watch(function() {
          return langFctr.selectedLang;
      },
      function(newValue, oldValue) {
          if (oldValue != newValue) {
              $scope.selectedLang = newValue;
              $('#calendar').fullCalendar('option', 'lang', $scope.selectedLang);
          }
      }
  );
  </code></pre>
  
  <p>but the language didn't change in the fullcalendar this is my <a href="http://pastebin.com/md8TiA4d" rel="nofollow">code</a> </p>