Minor doc fixes to snl. Minor refactoring of static method names.
Make optional fields in snl dict optional.
Merge branch 'master' of github.com:materialsproject/pymatgen
Update Change log for SNL.
adds the parsing of the dielectric function vs energy (frequency) data when vasprun comes from a LOPTICS=True runw
Cleanup vasprun.to_dict method considerably for readability.
Simplify CifParser.from_string method and switch to using the faster cStringIO.
Minor doc changes in babelio.
Support for LOCPOT in smartio.
Minor spelling correction.
Remove JSON check for SNL. That should happen when an actual to json / dict is
performed.
Simplify mprester error messages.
Add unittest for MPREstERror.
Update Changelog in prep for release.
Add a custom ipython script for pymatgen, which loads many useful aliases.
Minor update to filters.
Update version number for impending release.
Update change log. Add section on ipmg - a custom ipython environment for
pymatgen.
Move namespaced data to root key in SNL.
Add a proper namespace check and also a unittest for an improper namespace.