Pymatgen

* Update to use enum.x instead of multienum.x.
* Minor robustness fixes to VaspInputSet serialization.
* Add a reciprocal density parameter to vasp sets.
* Minor bug fixes to Vasprun parsing.

* StructureMatcher can now work with ignored species.
* Added interpolation failure warnings and smooth tolerance for
scipy.interpolate.splrep in bandstructures (Tess).
* Added DiffusionAnalyzer.get_framework_rms_plot.
* Complete rewrite of Procar class to use NDarray access and zero-based
indexing.
* OrderParameters class for analysis of local structural features
(Nils Zimmermann).
* Bug fixes for Procar, MPRester and SpaceGroup 64.
* Added Github templates for contributing to pymatgen.

* Procar now supports parsing of phase factors.
* Miscellaneous bug fixes.

* Bug fixes for Poscar.
* Fix Kpoints pickling.

* Bug fixes for pymatgen.io.abinit
* Other minor big fixes.

* Minor bug fix release for pickle and elastic constants.