sbws scanner tor configuration

At the time of writing, sbws sets the following torrc options for the following reasons when it launches Tor. You can find them in sbws/globals.py and sbws/util/stem.py.

• SocksPort auto: To proxy requests over Tor.
• CookieAuthentication 1: The easiest way to authenticate to Tor.
• LearnCircuitBuildTimeout 0: To keep circuit build timeouts static.
• CircuitBuildTimeout 10: To give up on struggling circuits sooner.
• UseEntryGuards 0: To avoid path bias warnings.
• DataDirectory ...: To set Tor’s datadirectory to be inside sbws’s.
• PidFile ...: To make it easier to tell if Tor is running.
• ControlSocket ...: To control Tor.
• Log notice ...: To know what the heck is going on.