upgrade to openhab 2.4; debian stretch

roles/mqttwarn/templates/mqttwarn.ini

@@ -1,16 +1,14 @@
 [defaults]
 hostname = 'localhost'
 port = 1883
-clientid     = 'mqttwarn'
-
+clientid = 'mqttwarn'
 
 ; logging
 logformat = '%(asctime)-15s %(levelname)-5s [%(module)s] %(message)s'
-logfile   = 'mqttwarn.log'
+logfile   = '/var/log/mqttwarn/mqttwarn.log'
 
 ; one of: CRITICAL, DEBUG, ERROR, INFO, WARN
-;loglevel  = DEBUG
-loglevel  = ERROR
+loglevel  = INFO
 
 ; name the service providers you will be using.
 launch = file, log, carbon
@@ -48,4 +46,4 @@ targets = {
 targets = carbon:openhab
 ;targets = log:info, file:f01, carbon:openhab
 
-# instead of logging run `mosquitto_sub -t openhab/graphite/#`
+# instead of logging run `mosquitto_sub -t /openhab/graphite/#`

roles/mqttwarn/templates/mqttwarn.service

@@ -1,5 +1,6 @@
 [Unit]
 Description=MQTTwarn
+After=mosquitto.service
 
 [Service]
 Type=simple