script/save_basis.py: enable saving all geometry element permutations
script/save_basis.py: enable saving all geometry element permutations

- new save_basis_on_mesh()

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