Description
Menu#isUserInRole currently assumes that if a menu has no roles defined, the user cannot access to it.
I think it would be better to invoke the AcessController#hasAccess with a null or empty ("") role, allowing the AccessController implementation to decide whether or not the user has access.
While the Servlet spec isn't explicit on this, in Tomcat, request.isUserInRole returns true if null is passed in. In other words, in Tomcat, the user has access to the "null" role.