provide normal jar as default and shaded with a classifier

git-svn-id: https://svn.apache.org/repos/asf/incubator/sirona/trunk@1560590 13f79535-47bb-0310-9956-ffa450edef68
give access to subclass

git-svn-id: https://svn.apache.org/repos/asf/incubator/sirona/trunk@1560591 13f79535-47bb-0310-9956-ffa450edef68