take out hard coded 'zero's
Add bar display & rotate Graphic, alc stdev, temp stdev, alc val, temp val
Progress / bug fix
* make sure 'loop' and 'handle_event' implementations all 'return 0' at the end
* clean up display brightness
* start taking out debugging
Merge pull request #8 from PapaMarky/WarmUpDisplay

Warm up display