update refine(), eval_basis_transform() for no substitutions (= refine all/none)
update refine(), eval_basis_transform() for no substitutions (= refine all/none)

rc/sfepy,sfepy/sfepy,BubuLK/sfepy,rc/sfepy,lokik/sfepy,lokik/sfepy,vlukes/sfepy,lokik/sfepy,lokik/sfepy,rc/sfepy,vlukes/sfepy,BubuLK/sfepy,vlukes/sfepy,sfepy/sfepy,BubuLK/sfepy,sfepy/sfepy