updated the readme
updated the readme

tcrossland/grails-spring-security-core,grails-plugins/grails-spring-security-core,codeconsole/grails-spring-security-core,codeconsole/grails-spring-security-core,grails-plugins/grails-spring-security-core,tcrossland/grails-spring-security-core,tcrossland/grails-spring-security-core,tcrossland/grails-spring-security-core