preliminary battanalyzer commit
add back is_redox method, remove dependence on scipy constants
basic doc updates
de-linting
more minor doc stuff
move battanalyzer out of tests ...
first commits of old unit tests, req structure files missing
Merge branch 'master' of github.com:materialsproject/pymatgen into battanalyzer
restore unit tests
remove Li-specific names
refactor, add explicit check for oxidation states
Refactor and delete useless files.
Automatic Py3k merge for testing