new_terms: FieldVariable.grad(), .grad_qp(): return optionally whole gradient
new_terms: FieldVariable.grad(), .grad_qp(): return optionally whole gradient

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