Build Improvements

Maven Build Improvements
- added enforcer plugin
- hsqldb plugin artifact is groupId org.hsqldb
- common maven plugin versions
- antrun plugin tasks deprecated - use target
- basedir deprecated - use project.basedir
- osgi deps in classic module (see comments)
- maven license plugin dep change, repo no longer valid (removed), artifact is in central

N.B. Ant task using integration.xml failed in access module, not sure of the reason