Merge branch 'master' of https://git.mount-mockery.de/dirk/docker_config

mqtt/config_templates/protected/mosquitto.conf

 ## Authentication ##
 # Create passwd file:       mosquitto_passwd -c /mosquitto/config/passwd <user_name>
 # You need to make down && make up to use the new passwd file
+allow_anonymous false
 password_file /mosquitto/config/passwd
 
 ## Logging - possibilities: error, warning, notice, information, all