Update 'datasources/P1-Meter.py'

datasources/P1-Meter.py

@@ -14,6 +14,10 @@
 #
 # The commandline to be used in CheckMK is : this_script_name.py $HOSTADDRESS$
 
+# (c) Michael Honkoop <mhonkoop@comsolve.nl>
+
+# License: GNU General Public License v2
+
 import sys
 import json
 import requests