NEW / APICHANGE: module_system | controller -> renamed class_ui_base to class_abstract controller
NEW / APICHANGE: module_system | controller -> renamed class_admin to class_admin_controller
NEW / APICHANGE: module_system | controller -> readded a class_admin to remain backwards compatible, marked as deprecated and with an empty class-body
NEW / APICHANGE: module_system | controller -> renamed class_portal to class_portal_controller
NEW / APICHANGE: module_system | controller -> readded a class_portal to remain backwards compatible, marked as deprecated and with an empty class-body