[xwiki-devs] Rewrite the "Notifications Tutorial" page

Hi everyone, Can someone please rename the "Notifications Tutorial" page<http://platform.xwiki.org/xwiki/bin/view/DevGuide/GroovyNotificationTutorial>, rewrite it and explain: 1. how to write a listener in java 2. how to write a listener in groovy 3. how to write a listener using wiki components 4.