UIMA-4104 DUCC Web Server (WS) incorrect share calculation

When calculating number of shares on a machine with respect to the amount of free memory reported by the Agent, do not round up!

git-svn-id: https://svn.apache.org/repos/asf/uima/sandbox/uima-ducc/trunk@1639672 13f79535-47bb-0310-9956-ffa450edef68