See <http://hudson.zones.apache.org/hudson/job/ActiveMQ-5.3/21/changes>
- Hudson build became unstable: ActiveMQ-5.3 #20 Apache Hudson Server
- Hudson build is still unstable: ActiveMQ-5.3 #21 Apache Hudson Server
- Build failed in Hudson: ActiveMQ-5.3 #22 Apache Hudson Server
- Hudson build is back to normal: ActiveMQ... Apache Hudson Server
