fix Region.get_facet_indices() to obey parent region
fix Region.get_facet_indices() to obey parent region

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