ZKCAL-33: CalendarEvent title text shall escapeXML
http://tracker.zkoss.org/browse/ZKCAL-33

git-svn-id: http://zkcalendar.googlecode.com/svn/trunk@154 8cb44ea2-eec7-11de-a004-2f18c49ebcc3
update version to 2.1.3

git-svn-id: http://zkcalendar.googlecode.com/svn/trunk@155 8cb44ea2-eec7-11de-a004-2f18c49ebcc3
update version to 2.1.3

git-svn-id: http://zkcalendar.googlecode.com/svn/trunk@156 8cb44ea2-eec7-11de-a004-2f18c49ebcc3