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

maven-checkstyle-plugin


git-svn-id: 67138be12999c61558c3dd34328380c8e4523e73@1791823 13f79535-47bb-0310-9956-ffa450edef68

mduerig/jackrabbit-oak,mduerig/jackrabbit-oak,mduerig/jackrabbit-oak,mduerig/jackrabbit-oak,mduerig/jackrabbit-oak