reduce I2C pull-up resistors to 2.2k
Break out digipot I2C bus to a header
add jumper for VBB power to new mosfets
Add solder jumper for endstop voltage selection, move labels to _tsilk layer instead of tnames
Add input protection to endstops
Smash, move and resize names for endstop protection components
Move a couple of names off pads, short solder jumpers for x16 microstep by default, ensure A4982's thermal pads have tStop
Updated R-78 footprint, i2c V select, orientation marker to ic15, silk updates