This component allows the user management menus, modules, users at the front end.

User Superadmin can set permission for user:
1. Set ACL-Group for user . User can only see and manage user of usergroups that are less than himself.
2. Set if user is allowed to:
- Manage Users
- Manage Menues (and according menu-modules)
- Manage Modules
- Manage Components
3. Set usable menu-positions for user: enable/disable specific modul-positions for school admin
4. Set usable menu-link-types for user: enable/disable specific menu-link-types
5. Set usable modules for user: enable/disable specific modules (rather module-types)

User logined at front end can :
1. Create and manage articles
2. Create and manage front-end-user
3. Create and manage menues
4. Create and manage modules