Added color change by temperature
Added color change by temperature

Currently controlled by a configuration flag, and based on Fahrenheit
average temperature

ultrabug/py3status,tobes/py3status,Andrwe/py3status,tobes/py3status,valdur55/py3status,valdur55/py3status,valdur55/py3status,ultrabug/py3status,alexoneill/py3status,guiniol/py3status,Andrwe/py3status,guiniol/py3status,vvoland/py3status,ultrabug/py3status