[UIMA-3867] Upgrade to Maven Plugin-Plugin for JDK-8 compatible generated JavaDoc

git-svn-id: https://svn.apache.org/repos/asf/uima/build/trunk@1601127 13f79535-47bb-0310-9956-ffa450edef68
[UIMA-3869] Better maven-plugin-plugin configuration

git-svn-id: https://svn.apache.org/repos/asf/uima/build/trunk@1601130 13f79535-47bb-0310-9956-ffa450edef68