References:

1.  Tutorial on using temperature sensors and supporting libraries:

• http://diotlabs.daraghbyrne.me/3-working-with-sensors/DS18B20/
• Dallas Temperature Control Library Files (.cpp and .h files): https://github.com/tomdeboer/SparkCoreDallasTemperature/blob/master/firmware/spark-dallas-temperature.cpp
• https://github.com/tomdeboer/SparkCoreDallasTemperature/blob/master/firmware/spark-dallas-temperature.h
• The OneWire Library files(.cpp and .h files): https://github.com/Hotaman/OneWireSpark/blob/master/firmware/OneWire.cpp

• https://github.com/Hotaman/OneWireSpark/blob/master/firmware/OneWire.h

2.  Tutorial for creating a Twilio account and creating a Webhook: https://www.twilio.com/docs/guides/sms-mms-messages-particle-photon#sign-into-or-sign-up-for-a-twilio-account 

3. Tutorial for adding switches: http://diotlabs.daraghbyrne.me/5-getting-input/switches/