Work on Functional Unit upgrade (OPAL-2143)
Delete Functional Units from XML config (OPAL-2143)
Upgrade Hibernate schemas for nullable order columns
Refactor packages
Change Unit subject type to Group (OPAL-2143)
Work on Functional Unit upgrade (OPAL-2143)
Work application context config for Functional Unit upgrade (OPAL-2143)
Use try-with-resources to take profit of AutoCloseable
Import unit key stores (OPAL-2143)
Use specific MySQL alter table
* Remove migratedToOpal2
* Generate database password on upgrade
Fix warnings
Migrate SubjectAcl to OrientDB before importing keystore (OPAL-2143)
Generate subject credentials alias for certificate (OPAL-2194)
Remove migratedToOpal2
Remove functionalUnits