moving jscalendar to wildfire from enterprise, now uses a jsp for i18n instead of the multiple language files provided with the calendar, updated decorators.xml so that sitemesh doesn't decorate /js/jscalendar/i18n.jsp.

git-svn-id: http://svn.igniterealtime.org/svn/repos/wildfire/trunk@4150 b35dd754-fafc-0310-a699-88a17e54d16e