Figure out how to display conflux circuits in Tor Browser's UI

Now that circuit display was literally just re-implemented...

When 0.4.8 becomes stabilized (this will take a few months still), conflux will come to the network. Conflux will open a new world with tor circuits: circuits are no longer necessarily static, now they can be dynamic, the TCP circuits can change paths, and can have multiple paths, and doing so can bring some nice improvements for people.

We need to start thinking about how we want to communicate to the user in TB. Specifically that the circuit(s) are conflux circuits. Users knowing that they are using a conflux circuit will provide valuable information to them (and their feedback to us as well).

Because the circuits can now change paths, this could have a lot of UI visualization implications, such as reflecting that there are these paths that are now ready, or that there is a new circuit leg available. That would be the nice (but complicated) signal to users, but starting with something simple by just indicating in the UI that this is a conflux circuit (eg. literally just writing the word 'conflux' in green or something) would be a good first signal step. So there is a UX question here.

For the dev side of things, right now its possible (in 0.4.8) to get from the control port that a circuit is a conflux circuit, but it doesn't have any advanced information that would be useful for multi-leg displays, but if we want to show those types of things, we will need to talk about what would be needed to be added to tor to extract that information.

perhaps we can have a ad-hoc session at our in-person meeting to brief folks on what conflux means and its benefits.