Improve parsing of nwchem ouput. Add error detection and basis set detection.
Make lower case for data dict in nwchem. Easier to remeber.
Improved search algorithm for BVAnalyzer
Merge branch 'master' of github.com:materialsproject/pymatgen
Add circle status image.
Fix circle image url
Updated docs.
2.7.4 release.
Minor doc update.
 Cosmetic changes.
Merge remote-tracking branch 'mpmaster/master'