fix mesh path for installation
fix mesh path for installation

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