message: added note that control port must be enabled and how to do that in torrc config file
diff: @@ -102,8 +102,9 @@ and, if not disabled, configured using the `-torcontrol` and `-torpassword` sett
  To show verbose debugging information, pass `-debug=tor`.
  Connecting to Tor's control socket API requires one of two authentication methods to be
  -configured. For cookie authentication the user running bitcoind must have write access
  -to the `CookieAuthFile` specified in Tor configuration. In some cases, this is
  +configured. It also requires the control socket to be enabled, e.g. put `ControlPort 9051`
  +in `torrc` config file. For cookie authentication the user running bitcoind must have read
  +access to the `CookieAuthFile` specified in Tor configuration. In some cases this is
  preconfigured and the creation of a hidden service is automatic. If permission problems
  are seen with `-debug=tor` they can be resolved by adding both the user running Tor and
  the user running bitcoind to the same group and setting permissions appropriately. On
  