UIMA-3620 DUCC Orchestrator (OR) should dynamically discover site jvm args for Job Driver (JD) and Job Processes (JPs)

git-svn-id: https://svn.apache.org/repos/asf/uima/sandbox/uima-ducc/branches/uima-ducc-1.0.0@1568940 13f79535-47bb-0310-9956-ffa450edef68