See <https://builds.apache.org/job/UIMA-AS/538/display/redirect?page=changes>
- Build failed in Jenkins: UIMA-AS #536 Apache Jenkins Server
- Build failed in Jenkins: UIMA-AS #537 Apache Jenkins Server
- Jenkins build is unstable: UIMA-AS #538 Apache Jenkins Server
- Jenkins build is back to stable : UIMA-... Apache Jenkins Server
