[MDEP-463]
 - Fixed RAT issues.
   Added apache-rat-plugin configuration to exclude three
   files which contain direct output of m-d-p:tree which is
   used to be compared the result of IT's.


git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1625383 13f79535-47bb-0310-9956-ffa450edef68