3 * path to the .rrd files.
4 * {item} will be replaced with humidity/temperature,
5 * {id} with the sensor number
7 * May be an array with the same keys as in $names.
9 $filetemplate = '/var/lib/munin/home.cweiske.de/haus-usb_wde1_{item}-sensor{id}-g.rrd';
13 * Array of sensor number to sensor title associations