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@1523289 13f79535-47bb-0310-9956-ffa450edef68
16 files changed
tree: fd1473bf72983d65f14a7f8506e53bcefb852331
  1. src/
  2. pom.xml