update site version to 2.1.1, pir 2.2 requires that as a minimum for site generation to work correctly
update site version to 2.1.1, pir 2.2 requires that as a minimum for site generation to work correctly

git-svn-id: b992ad72ce451249ae394650ed6fff1ebb4bf6b8@951504 13f79535-47bb-0310-9956-ffa450edef68

apache/shiro,feige712/shiro,relateiq/shiro,apache/shiro,feige712/shiro