changed atmega routing

fixed #10 removed expansion port connections rotated expansion port connected expansion port added 3V3 jumper

various improvements/fixes added power output pins fixed design rules moved ESC out to bottom fixed packages removed unnecessary filtering for atmega etc (may be more but that was last week i don't remember anymore)

fixed min drill

design rules

fixed shunt resistor value

fixed vbat routing for better ground path

fixed #5

fixed shunt resistor libraries

changed R6