Added insecure MQTT connetion option (#6)

* Added insecure MQTT connetion option

* removed assumption 1883 and insecure option, added argument to set MQTT security connection

wirepas_provisioning_server/provisioning_server.py

@@ -100,6 +100,10 @@ def main():
                         default=get_default_value_from_env('WM_SERVICES_MQTT_PORT', 8883),
                         type=int,
                         help='MQTT broker port')
+    parser.add_argument('--insecure',
+                        default=get_default_value_from_env('WM_SERVICES_MQTT_INSECURE', False),
+                        type=bool,
+                        help='MQTT security option')                        
     parser.add_argument('--username',
                         default=get_default_value_from_env('WM_SERVICES_MQTT_USERNAME', 'mqttmasteruser'),
                         help='MQTT broker username')
@@ -115,7 +119,7 @@ def main():
 
     logging.basicConfig(format='%(levelname)s %(asctime)s %(message)s', level=logging.INFO)
 
-    wni = WirepasNetworkInterface(args.host, args.port, args.username, args.password)
+    wni = WirepasNetworkInterface(args.host, args.port, args.username, args.password, args.insecure)
 
     srv = ProvisioningServer(interface=wni, settings=args.config)
     srv.loop()