See <https://hudson.apache.org/hudson/job/sling-trunk-1.6/changes>
- Jenkins build became unstable: sling-trunk-1.6 #817 Apache Hudson Server
- Jenkins build is still unstable: sling-trunk-1.6... Apache Hudson Server
- Jenkins build is still unstable: sling-trunk... Apache Hudson Server
- Jenkins build is back to stable : sling-... Apache Hudson Server
