Xpra: Ticket #1675: Boxplot support for automated testing charts

As the title states, and according to ticket:1655#comment:10 we would like to replace the bars in the graphs to a box-plot if there's more than one data point available, which would give us much more information density for the charts.

After talking with Nick, he asked me to write up a ticket and assign it to him so he can possibly get to it in the future.

Sat, 23 Jan 2021 05:30:46 GMT - migration script:

this ticket has been moved to: https://github.com/Xpra-org/xpra/issues/1675