[NEXUS-6576] Update to commons-beanutils 1.9.1, enforce older stuff isn't used
Add missing call to super.customizeModules(modules);
Merge pull request #514 from sonatype/NEXUS-6576-update-beanutils

REVIEW: [NEXUS-6576] Update to commons-beanutils 1.9.1
Merge remote-tracking branch 'origin/master' into add-jackson-datatype-joda