remove d_volume_dot term (subset of dw_volume_dot, same class name)
remove d_volume_dot term (subset of dw_volume_dot, same class name)

- update DotProductVolumeTerm (dw_volume_dot)

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