doc updates for 1.1 release
doc updates for 1.1 release

tcrossland/grails-spring-security-acl,tcrossland/grails-spring-security-acl,beckje01/grails-spring-security-acl,grails-plugins/grails-spring-security-acl,grails-plugins/grails-spring-security-acl,beckje01/grails-spring-security-acl