See <https://hudson.apache.org/hudson/job/sling-trunk-1.5/1042/changes>
- Hudson build is unstable: sling-trunk-1.5 #1039 Apache Hudson Server
- Hudson build is still unstable: sling-trunk-1.5 ... Apache Hudson Server
- Hudson build is still unstable: sling-trunk-... Apache Hudson Server
- Hudson build is back to stable : sling-t... Apache Hudson Server