See https://ci-maven.apache.org/job/Maven/job/maven-box/job/maven-site/job/master/177/
Changes: * Bump maven-parent from 38-SNAPSHOT to 39-SNAPSHOT * Remove outdated references to Maven Changes Plugin * Bump Fluido Skin to 1.11.1 * [MNGSITE-500] clean up code style documentation after adoption of No tests ran.
