lcd_thermometer: Use LiquidCrystal

Fritzing Rev 2

Signed-off-by: Chris Evich <chris-arduino@anonomail.me>
lcd_thermometer: Remove Data object

Signed-off-by: Chris Evich <chris-arduino@anonomail.me>
lcd_thermometer: Ref 2 board complete

Signed-off-by: Chris Evich <chris-arduino@anonomail.me>
lcd_thermometer: Code for Rev 2 board

Signed-off-by: Chris Evich <chris-arduino@anonomail.me>