Update reporting section of oss-parent pom.xml

- Add both pmd and cpd reports to maven-pmd-plugin
- Add default configuration to maven-pmd-plugin
- Add versions-maven-plugin and three of its reports
- Define default reports for maven-project-info-reports-plugin
  (Run all reports except for mailing-list report as not used)
- Remove some global variables related to reporting and move to their
  aplicable plugin configurations
- Change jacoco integration test to generate report-integration
- Reorder reporting plugins
- Minor cleanup