Small refactorings
Small refactorings

magx2/quartz,burtbeckwith/grails-quartz,grails-plugins/grails-quartz,bertramdev/grails-quartz,chriskuehl/grails-quartz,effrafax/grails-quartz,grails-plugins/grails-quartz,tkvw/grails-quartz,rvanderwerf/grails-quartz,tkvw/grails-quartz,magx2/quartz