Add missing license headers.
This plugin now passes the checks done by RAT.

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1523311 13f79535-47bb-0310-9956-ffa450edef68
5 files changed
tree: d0a23fe26c16c3e43e6446ec3f4e5dc76f8f0962
  1. src/
  2. pom.xml