Better preprocessing of entries before convex hull computation. Allow entries
within numerical tolerance of zero for allow_negative=False
minor change to comments
Remove use of sphinxtogithub from pymatgen doc.
Merge branch 'master' of github.com:materialsproject/pymatgen
Remove defunct README-tests.
Update docs and cleanup docstrings.
More doc cleanup.
fixed bug where e_above_hull was returned as array. Added unittest
Merge branch 'master' of github.com:materialsproject/pymatgen
 Fix unit tests for Workflows
Merge remote-tracking branch 'mpmaster/master'
 Cleanup abinitio docstrings