Revert "Thermostat DS18B20 & AVR"

This reverts commit 2f70d851f3c114e1a7df31036fe73f63950f8943.
Revert "Revert "Revert "Thermostat DS18B20 & AVR"""

This reverts commit 435e71f661b703c073337c3abc4f4fb923acd48a.