Add json versions.
More Py3k conversions.
command line now Py3k compatible.
Battery now py3k compatible.
Add json test files.
More cleanup.
Transformations now Py3k compatible.
Fix unit test.
Remove CIF dependency for most tests.
Remove useless cif files.
Remove more unused cif.
More conversions to json.
Remvoe graphite.cif.
Restore CIF for now.
Remove unused test files.
Restore Si2_GSR.
Beta version of new cif parsing without PyCifRW.
Merge branch 'pmg3' of github.com:materialsproject/pymatgen into pmg3
Make solid angle computation more robust to numerical errors.
Temporarily fixes #129.
some fixes to make cifio actually python3 compatible