#155: allow to disable the USB monitoring from the status page (partially tested)
#155: allow to disable the USB monitoring from the status page (partially tested)

wellenvogel/avnav,wellenvogel/avnav,wellenvogel/avnav,wellenvogel/avnav,wellenvogel/avnav,wellenvogel/avnav,wellenvogel/avnav,wellenvogel/avnav,wellenvogel/avnav