Add sort_structure to vasp_io_sets. Defaults to True for xpected behavior in
most cases.
Update unittest for alchemy.
Add note to account for backward-incompatible change in vaspio-set. Increment
minor version number due to this change.
Simplify some bandstructure code.
Converted domain calculation into finding half-space intersection thanks to Will, and replaced old, long-winded code with much more concise and efficient routine.
Merge branch 'master' of https://github.com/materialsproject/pymatgen

Conflicts:
	pymatgen/analysis/pourbaix/analyzer.py
Adding InsertionElectrode unit test for MV working ion.
Merge branch 'master' of github.com:materialsproject/pymatgen
Update pyhull required version for pymatgen to 1.4.3.
Merge branch 'master' of github.com:materialsproject/pymatgen
Merge branch 'master' of github.com:materialsproject/pymatgen
Merge branch 'master' into boltztrap