avoid duplicate, mismatched tools versions

git-svn-id: https://svn.apache.org/repos/asf/incubator/npanday/npanday-its/trunk@1609698 13f79535-47bb-0310-9956-ffa450edef68
v3.0 a separate list

also add comments for others for later clarity

git-svn-id: https://svn.apache.org/repos/asf/incubator/npanday/npanday-its/trunk@1609701 13f79535-47bb-0310-9956-ffa450edef68