UIMA-2799 Add missing imports.


git-svn-id: https://svn.apache.org/repos/asf/uima/sandbox/uima-ducc/trunk@1550398 13f79535-47bb-0310-9956-ffa450edef68
UIMA-2626 DUCC webserver (WS) Job Performance tab shows meaningless total for min/max

git-svn-id: https://svn.apache.org/repos/asf/uima/sandbox/uima-ducc/trunk@1550404 13f79535-47bb-0310-9956-ffa450edef68