use last shared parent 19

git-svn-id: https://svn.apache.org/repos/asf/maven/shared/trunk@1452330 13f79535-47bb-0310-9956-ffa450edef68
fix license header format

git-svn-id: https://svn.apache.org/repos/asf/maven/shared/trunk@1452331 13f79535-47bb-0310-9956-ffa450edef68