new test_quadratures() using symbolic integration
new test_quadratures() using symbolic integration

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