fix adjoint Navier-Stokes terms for master branch
fix adjoint Navier-Stokes terms for master branch

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