updated README

updated schematic

added power fail circuit for ATtiny85 added BOM save all clock properties at power fail

basic powerfail now works - still need to add more data to be saved

no real changes

cleanup no longer needed debug options and small cleanups

updated schematic for current Alpha version

add version

Updated for v2 Now uses PWM for ticks (saves power) No longer using motor controller (also saves power)

Alpha 2.0 board