fix shape for NumPy 1.13.0 in EquationMap.map_equations()
fix shape for NumPy 1.13.0 in EquationMap.map_equations()

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