UIMA-4143 keep process alive even when all worker threads exit run(). Await stop request from the agent. Otherwise the process exits which caused the agent to think that the JP croaked

git-svn-id: https://svn.apache.org/repos/asf/uima/sandbox/uima-ducc/trunk@1643009 13f79535-47bb-0310-9956-ffa450edef68
UIMA-4110 Ignore invalid or missing wild-card classpath entries

git-svn-id: https://svn.apache.org/repos/asf/uima/sandbox/uima-ducc/trunk@1643021 13f79535-47bb-0310-9956-ffa450edef68