upgraded parent pom

git-svn-id: https://svn.apache.org/repos/asf/maven/shared/trunk@1635412 13f79535-47bb-0310-9956-ffa450edef68
upgraded parent pom

git-svn-id: https://svn.apache.org/repos/asf/maven/shared/trunk@1635416 13f79535-47bb-0310-9956-ffa450edef68
upgraded parent pom

git-svn-id: https://svn.apache.org/repos/asf/maven/shared/trunk@1635417 13f79535-47bb-0310-9956-ffa450edef68
upgraded parent pom

git-svn-id: https://svn.apache.org/repos/asf/maven/shared/trunk@1635418 13f79535-47bb-0310-9956-ffa450edef68