See <https://builds.apache.org/job/UIMA-Ruta/440/changes>
- Jenkins build became unstable: UIMA-Ruta #440 Apache Jenkins Server
- Jenkins build is still unstable: UIMA-Ruta #441 Apache Jenkins Server
- Build failed in Jenkins: UIMA-Ruta #442 Apache Jenkins Server
- Jenkins build is back to normal : UIMA-... Apache Jenkins Server
