fix SufaceNormalDotTerm
fix SufaceNormalDotTerm

- make material shape (D, 1) to be compatible with SDSufaceNormalDotTerm

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