fix evaluateContactConstraints()
fix evaluateContactConstraints()

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