Update Group1DatabaseCreation.sql

Added update cascade and delete restrict to:
ns_t_materials_subcomponents
ns_imat_inumkey, ns_imat_ialphakey, ns_imat_museumkey
ns_imat_matname
ns_it_inumkey, ns_it_ialphakey, ns_i_museumkey
ns_it_clname
ns_iloc_locname