ESP task added in NWChem
Cosmo
more functional groups
Fix substitution algo.
corrected functional group coord
Adding MV battery compatibility.
 Optional kwargs are now passed to HighSymmKpath.get_kpath_plot + additional conversion tools.
Merge remote-tracking branch 'mpmaster/master'

Conflicts:
	pymatgen/io/abinitio/abiobjects.py
Update version number to 2.7.10b. Update change log.
Add additional unit test for Molecule.substitute.
Make attribute setting explicit. Makes it much easier to use with autocompletion
in ipython.
Refactoring of Vasprun with additional comments for better maintainability.
Merge branch 'master' of github.com:materialsproject/pymatgen
Simplify pourbaix code somewhat.
Improve setup.py
Update doc for MPRester.
Minor refactoring of PDanalyzer code.
added option to translate sites outside of unit cell
Merge branch 'master' of github.com:materialsproject/pymatgen
Minor cleanup of docs.