add docstrings for MolLogP and MolMR and bump the versions of the python calculators
add docstrings for MolLogP and MolMR and bump the versions of the python calculators

git-svn-id: 931ab4487dc05a11552de95f7d42b8249ade56b7@645 a5045d30-4826-4484-9c7f-6e55a06ddc77

rdkit/rdkit-orig,rdkit/rdkit-orig,rdkit/rdkit-orig,rdkit/rdkit-orig,rdkit/rdkit-orig,rdkit/rdkit-orig,rdkit/rdkit-orig,rdkit/rdkit-orig