Add UpSet Plot

[mmschlk]

UpSet plots are a cool way to visualize sets and associated values. We should add them to the visualizations. We could think of what to show in the upper part of the plot (some kind of waterfall maybe?)

Reference:
Alexander Lex, Nils Gehlenborg, Hendrik Strobelt, Romain Vuillemot, Hanspeter Pfister. UpSet: Visualization of Intersecting Sets IEEE Transactions on Visualization and Computer Graphics (InfoVis), 20(12): 1983--1992, doi:10.1109/TVCG.2014.2346248, 2014.

UpSet plots look like this:

[mmschlk]

Current Plot looks like this:

Set Matrix can also be black (not colored):