MQTT auth and improvements implemented

.gitignore

 # ---> powerplug-energenie
 #
 config.py
-
+*.err
 
 # ---> Python
 # Byte-compiled / optimized / DLL files
 # Pyre type checker
 .pyre/
 
+# ---> VirtualEnv
+# Virtualenv
+# http://iamzed.com/2009/05/07/a-primer-on-virtualenv/
+.Python
+[Bb]in
+[Ii]nclude
+[Ll]ib
+[Ll]ib64
+[Ll]ocal
+[Ss]cripts
+pyvenv.cfg
+.venv
+pip-selfcheck.json
+
 # ---> Linux
 *~
 

config_example/config.py

 import os
 import report
 
-
-MQTT_SERVER = "multimedia"
+MQTT_USER = "user"
+MQTT_PASS = "pass"
+MQTT_SERVER = "localhost"
 MQTT_TOPIC = "hifi/powerplug"
 
 #
 #
 __BASEPATH__ = os.path.abspath(os.path.dirname(__file__))
 APP_NAME = "powerplug"
-LOGTARGET = 'stdout'   # possible choices are: 'logfile' or 'stdout'
+LOGTARGET = 'logfile'   # possible choices are: 'logfile' or 'stdout'
 LOGLVL = 'DEBUG'
 
-LOGHOST = 'localhost'
+LOGHOST = 'cutelog'
 LOGPORT = 19996
 
 formatter = report.LONG_FMT

powerplug.py

     def __init__(self):
         self.__client__ = mqtt.Client("mqtt_powerplug")                         # create client object
         self.__client__.on_message = self.__receive__                           # attach function to callback
-        self.__client__.connect("192.168.0.131", 1883)                          # establish connection
+        self.__client__.username_pw_set(config.MQTT_USER, config.MQTT_PASS)     # login with credentials
+        self.__client__.connect(config.MQTT_SERVER, 1883)                       # establish connection
         self.__client__.loop_start()                                            # start the loop
         self.__topics__ = []
         for subtopic in self.SUBTOPICS: