Added _make_colorscale method and 2D Density Plot#518

Merged

Kully merged 7 commits intomasterfrom

Jul 14, 2016

Commits on Jul 5, 2016

Commits on Jul 6, 2016

Renaming variables and optimizing _make_linear_colorscale
Kully
committed

Commits on Jul 11, 2016

Added tests to 2d_density
Kully
committed

Commits on Jul 14, 2016