OAK-6098: update maven plugins
OAK-6098: update maven plugins

require Maven 3.2.1

git-svn-id: 67138be12999c61558c3dd34328380c8e4523e73@1791948 13f79535-47bb-0310-9956-ffa450edef68

davidegiannella/jackrabbit-oak,davidegiannella/jackrabbit-oak,davidegiannella/jackrabbit-oak,davidegiannella/jackrabbit-oak,davidegiannella/jackrabbit-oak