relax SVN archive

Molecular dynamics by NMR data analysis

Brought to you by: edauvergne, troelslinnet

Created the spin.isotope user function.

This is designed to be a permanent replacement for the specific analysis API 'heteronuc_type' and
'proton_type' parameters.

Authored by: bugman 2012-06-19

changed	/branches/interatomic/generic_fns/mol_res_spin.py
changed	/branches/interatomic/user_functions/spin.py