regroups Permissions (in a 'functional' way) as a JGPositivePermissionCollection
(additive mechanism).it differs from JGPermissionCollection
which regroups Permission in a technical way, by owning a name which
refers to functional resources.
Decorator used to decorate java.security.Permission subclasses
to add Dynamic Separation of Duty (DSOD) according to the
Role Based Access Control (RBAC) standard.