Fahrenheit/Celsius and Optional SetPoint Buttons

* Added toggle for Fahrenheit/Celsius
* Added manual config option to change from slider to buttons.
Revert "Fahrenheit/Celsius and Optional SetPoint Buttons"

This reverts commit 2bbac582cf9081335275bc14ac2c9a63798622c1.
Fahrenheit/Celsius and Optional SetPoint Buttons

* Added toggle for Fahrenheit/Celsius
* Added manual config option to change from slider to buttons