v3
*Silk update with logo
*Board shape change to fit standard PCB footprint for cases
*PART REDUCTION: v2c uses 3pcs 1x2 pin headers. v3 uses 1pc 1x2 and 1pcs 1x3

v2c
*Silk cleanup

v2b
*Added backlight adjustable resistor
*Silk cleanup


v2a
*Added T1 and R4 to do backlight dimming with the Bus Pirate PWM.