added ProblemDefinition.get_dim()
added ProblemDefinition.get_dim()

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