Convinience release
- Removed parameters that don't need changing (and cause problems when changed)
- Added "AlwaysForward" direction mode that defaults to forward unless reverse pin is high
- Allow swapping PWM outputs 2 and 3
- Allow dirchrpm up to 20000
- Use latest libopencm3
- Add special heat sink temperature code for Prius Gen2 power stage
- Removed PWMSTUCK fault, it was too irritating