UIMA-3856 Save purge state until OR fully deletes the job.


git-svn-id: https://svn.apache.org/repos/asf/uima/sandbox/uima-ducc/trunk@1600403 13f79535-47bb-0310-9956-ffa450edef68
UIMA-3856 Fix spelling error on output.


git-svn-id: https://svn.apache.org/repos/asf/uima/sandbox/uima-ducc/trunk@1600406 13f79535-47bb-0310-9956-ffa450edef68
UIMA-3855 Correctly get DUCC_HOME for classpath.


git-svn-id: https://svn.apache.org/repos/asf/uima/sandbox/uima-ducc/trunk@1600418 13f79535-47bb-0310-9956-ffa450edef68
UIMA-3858 delay agent shutdown to make sure the final node inventory publish occurs

git-svn-id: https://svn.apache.org/repos/asf/uima/sandbox/uima-ducc/trunk@1600419 13f79535-47bb-0310-9956-ffa450edef68