update examples/navier_stokes/navier_stokes2d.py - generated domain, new BC
update examples/navier_stokes/navier_stokes2d.py - generated domain, new BC

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