ortho2, id param for tagcalc
2014-12-15 tagcalc: added param "id"
2014-12-16 ortho2: coverted to python, several objects support, no collapse
2014-12-17 ortho2: added fixed nodes and base vector from them
2014-12-18 ortho2: added support of ortho2_py_base_vector
2014-12-19 ortho2: edged with both fixed nodes excluded from base vector and dirgroup calculations