update expand_basis() for several basis components
update expand_basis() for several basis components

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