Board updates for V2.0 hardware

BatchPCB went out of business so switching to oshpark.com.
Removed gerber files since they aren't needed there.  V2.0 has
the following changes:
 * Replace darlington array with 3 WS2801 to do PWM in hardware
 * Add 9th relay output
 * silkscreen high voltage area
 * Add pullup on one wire bus