Point ttnctl to staging
Point ttnctl to staging

mgranberry/ttn,TheThingsNetwork/ttn,TheThingsNetwork/ttn,jvanmalder/ttn,TheThingsNetwork/ttn,LoRaWanSoFa/ttn,LoRaWanSoFa/ttn,mgranberry/ttn,mgranberry/ttn,jvanmalder/ttn,jvanmalder/ttn