Improve scripts.
IMprove json_coders.
Improve doc. Increment monty version.
Update docs.
Update VTK instructions.
More updates to instructions.
add missing PMGSONable for Vasprun and Outcar
Pep8 cleanup.
Remove useless ConfigParser, which is non-Py3 compliant.
Downgrade numpy req.
Update VTK installation instructions for 6.1.0 for Mac.
Structure and Molecule now supports a very convenient to() and from_str and
from_file functionality. Instead of trying to load the appropriate parser, you
can output and read from the appropriate formats directly.
Merge branch 'master' of github.com:materialsproject/pymatgen
Update README for pymatgen 3.
More updates to README.
Add link to changelog.
Merge branch 'master' into stable_py3