UIMA-3494 DUCC webserver (WS) improved Jobs page performance by caching Work Items data for active Jobs each OR publication interval

git-svn-id: https://svn.apache.org/repos/asf/uima/sandbox/uima-ducc/trunk@1550441 13f79535-47bb-0310-9956-ffa450edef68
UIMA-3494 DUCC webserver (WS) improved Jobs page performance by caching Work Items data for active Jobs each OR publication interval

git-svn-id: https://svn.apache.org/repos/asf/uima/sandbox/uima-ducc/trunk@1550442 13f79535-47bb-0310-9956-ffa450edef68