more pom cleanup

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/jcs/trunk@1591158 13f79535-47bb-0310-9956-ffa450edef68
more use of dMngt from parent pom

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/jcs/trunk@1591159 13f79535-47bb-0310-9956-ffa450edef68
upgrade some deps

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/jcs/trunk@1591160 13f79535-47bb-0310-9956-ffa450edef68
use last parent

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/jcs/trunk@1591161 13f79535-47bb-0310-9956-ffa450edef68