Add control-socket to bot.conf.example, only start up control socket is a unix

domain socket location is provided

bot.conf.example

@@ -3,6 +3,8 @@ tls-key                  =
 tls-certificate          =
 tls-api-key              =
 tls-api-certificate      =
+# unix domain socket location for ControlSocket
+control-socket           =
 # https://openweathermap.org/api
 openweathermap-api-key   =
 # https://products.wolframalpha.com/api/

src/IRCBot.py

@@ -23,9 +23,10 @@ class Bot(object):
 
         self.servers = {}
         self.other_sockets = {}
+
+        if "contorl-socket" in self.config:
             self.control_socket = ControlSocket.ControlSocket(self)
             self.add_socket(self.control_socket)
-
             self._control_sclient = socket.socket(
                 socket.AF_UNIX, socket.SOCK_STREAM)
             self._control_client.connect(self.config["control-socket"])