CircuitBuildTimeout default value does not match man page
Running tor with
and not specifiying any
CircuitBuildTimeout gives a misleading warning about a timeout of 0:
Jul 05 02:48:16.974 [warn] CircuitBuildTimeout is shorter (0 seconds) than recommended (10 seconds), and LearnCircuitBuildTimeout is disabled. If tor isn't working, raise this value or enable LearnCircuitBuildTimeout.
The ticket that resulted in this warning is legacy/trac#5452 (moved).