Avoid using debugInfo

[michielbdejong]

No description provided.

[michielbdejong]

• receiveNack uses if (debugInfo.path.length === 0) to know if a backtrack is finished. It should instead look for incoming traffic reports for the probe.
• receiveNack uses debugInfo.path.pop() to know who the probe came from. It should instead look for incoming traffic reports for the probe.
• considerProbe does the same with const oldSender = debugInfo.path.pop();
• considerProbe uses if (debugInfo.backtracked.length > 0) to decide whether the incarnation should be incremented. it should instead keep track of the incoming Nack to detect this.
• receiveScout uses if (this.name === debugInfo.loop[0]) to know if it should initiate a probe. It should instead remember that it started the scout message.