Cosmetic changes
 Use toldfe instead of tolvrs for Etotal(Ecut) convergence study to save CPU time
 Typo
Merge remote-tracking branch 'mpmaster/master'
 Cosmetic changes
 Typo
 Code cleanup
Merge remote-tracking branch 'mpmaster/master'
Added options to the vtk visualizer.
clean up for BSPlotterProjected (along the same line than the previous clean up of BSPlotter)
Fix VTK viewer for VTK6.0.0.
Partial fix for vtk rendering.
Hackish fix for VTK interaction. To be fixed better later.
 Minor modifications in abinitio.events
Merge remote-tracking branch 'mpmaster/master'
Added missing doc for vtk visualizer (add_triangle method)
Added options to add_triangle
Merge branch 'master' of git://github.com/materialsproject/pymatgen
Added compatibility for vtk v.5
Minor cleanup.
modified SubstitutionTransformation to work better with mongo (species that have
'fake' fractional oxidation states are not allowed as bson dict keys)