Nautilis thermometer Firmware upgrade (6.1.5), (6.1.6), (6.1.7) & New version of iRelay firmware (6.5.7)

iRelay changes are related to improved usage on iOS devices. The option to change the SSID and password has been added on all versions of the thermometer. High and low temperature alarm for SHT version,  interval to send every 60 minutes & support for SENSOR SPY application is novelty.