added contributor

git-svn-id: https://svn.apache.org/repos/asf/maven/plugin-tools/trunk@1508588 13f79535-47bb-0310-9956-ffa450edef68
Tony is now a committer

git-svn-id: https://svn.apache.org/repos/asf/maven/plugin-tools/trunk@1508590 13f79535-47bb-0310-9956-ffa450edef68