v0.1.4

Enhancements:

• Standardized plots for all plotting backends.
• Added ability to change viewpoint in static plots.
• Documentation overhaul, including new contributors page.
• Added example jupyter notebook.
• API updated to separate plotting and saving files. Allows composing multiple Fermi
  surfaces.
• Surface decimation and smoothing (@mkhorton).
• Support for crystal_toolkit (@mkhorton).

Bug fixes:

• Fermi level is no longer adjusted from VASP value.
• Bug fix for smoothing (@mdforti).
• Fixed latex labex in plotly (@mdforti).
• Better support for spin polarized materials.