Update privacy permission storage. Ready for data hierarchy.
Add more unit / integration test. Now ready to implement hierarchy in
PrivacyDataManager.
PrivacyDataManager data hierarchy implementation. Backward compatibility
tested. More unit /integration tests  are now required to really test
this functionality.
Update Jaxb2Simple Maven plugin to add equals, hashCode and toString
methods.
Update Unit/Integration tests for CIS data Access Control
Enable internal/external API tests
One fix on equals in Jaxb2Simple. Replace logger lib in APIs. One
fix in PrivacyDataManager::CisDataAccessControl
Change some "info" log level to "debug/error" log level
Merge branch 'privacy-context_data' into development