remove deprecated code usage in IntantionsDecriptor generator
remove deprecated code usage in smodel generator
type concept<SomeConcept> is subtype of SConcept if SomeConcept is not interface
use SConcept in action language generator
do cache ancestors on concept descriptor
default concept for concept interface
rebuild
rebuild
fix test (now link/.../ is genuine link)
correct SConcept hierarchy
do not change semantic of link/.../