Update frequencies tooltips and include projection pivot#777

Merged

trvrb merged 4 commits intomasterfrom projection-pivot

Aug 28, 2019

+101-19

Commits on Aug 23, 2019

frequencies: Include vertical line at projection_pivot
trvrb
committed

Commits on Aug 26, 2019

frequencies: Improve tooltip behavior and aesthetics
trvrb
committed

Commits on Aug 28, 2019