More fixes.
formatting of finder.py
Merge branch 'master' of github.com:materialsproject/pymatgen

Conflicts:
	pymatgen/symmetry/finder.py
fix an issue with hexagonal vs rhombohedral lattice
Merge branch 'master' of github.com:materialsproject/pymatgen

Conflicts:
	pymatgen/symmetry/finder.py
Updated tolerances in primitive finder and basis orientation
Need fixed rhombohedral method from Geoffroy

Merge branch 'master' into surface
Removed surface from Pymatgen, moved to Pymatpro