v2017.8.4

• Major refactoring and improvements to lammps io. (Kiran)
• Major improvements to BaderAnalysis. (Joey and Zhi)
• Major improvements to Magmom support in cifs, SOC calculations, etc.
  (Matthew Horton)
• Add remove_site_property function. Add magmom for Eu3+ and Eu2+.
• BoltztrapAnalyzer/Plotter support for seebeck effective mass and complexity
  factor (fraricci)