Bithopper.py Command line arguments

## Actual version

--ip                  = IP to listen on
--port                = Port to listen on
--auth                = Ask for user and password on stats page (--auth user,pass)
--config              = Select an alternate main config file from "bh.cfg"
--listschedulers      = List alternate schedulers available
--scheduler           = Select an alternate scheduler
--threshold           = Override difficulty threshold (default 0.43)
--p2pLP               = Starts up an IRC bot to validate LP based hopping
--debug               = Extra error output. Basically print all caught errors
--trace               = Extra debugging output
--logconnections      = Show connection log