See <https://hudson.apache.org/hudson/job/sling-trunk-1.6/543/changes>
- Hudson build became unstable: sling-trunk-1.6 #543 Apache Hudson Server
- Build failed in Hudson: sling-trunk-1.6 #544 Apache Hudson Server
- Build failed in Hudson: sling-trunk-1.6 #545 Apache Hudson Server
- Build failed in Hudson: sling-trunk-1.6 ... Apache Hudson Server
- Build failed in Hudson: sling-trunk-... Apache Hudson Server
- Hudson build is back to normal ... Apache Hudson Server
