Release V1.2.0

This release is superseded.

New functionality:

• Adds support for Environmental sensors (Temperature, pressure, humidity) (Mostly untested!)
  • P006 Environment - BMP085/180
  • P028 Environment - BMx280
  • P005 Environment - DHT11/12/22 SONOFF2301/7021
  • P034 Environment - DHT12 (I2C)
  • P004 Environment - DS18b20
  • P024 Environment - MLX90614
  • P032 Environment - MS5611 (GY-63)
  • P031 Environment - SHT1X
  • P014 Environment - SI7021/HTU21D
  • P039 Environment - Thermocouple