Added update interval of 5 min for the user list array.
Added update interval of 5 min for the user list array.

erictrose/janus-server,erictrose/janus-server,timschwartz/janus-server,oculushut/janus-server,timschwartz/janus-server,janusvr/janus-server,oculushut/janus-server,oculushut/janus-server,janusvr/janus-server