* refactor: Create jpa subproject with separate subprojects for api, hibernate, 
  toplink-essentials and eclipselink
  Each subproject contains the required repo settings
* Maven profile for nonrelease which is dactivated when release is active.
* Have toplink, eclipselink, hibernate profiles that are deactivated by 
  release and active by default. 
  
* add cdi subproject to the utils
* add schemagen for user management part. 
* JPA 2.0 implementation for security.