Move Fraction of connections used uni-/bidirectionally graph from Performance to Traffic category
While working on Sponsor 13 deliverable 2 I noticed that the Fraction of connections used uni-/bidirectionally graph would better fit into the Traffic category rather than the Performance category it's currently in.
Both categories are related. But my understanding of the Traffic category is that we're looking at statistics on the traffic in the Tor network that is generated by users and relayed by servers.
On the other hand, the Performance category is for statistics on performance measurements that we're doing specifically for the purpose of measuring the Tor network.
After moving the graph, all graphs in Traffic would be based on Tor descriptors, whereas all graphs in Performance would be based on Torperf/OnionPerf measurements. (In the future, we might add more graphs to the Performance category, which would also be based on OnionPerf measurements.)
I'll prepare a branch.