Added PCB construction notes: layer stack, silkscreen clip.
Removed mounting hole at the center of the right edge of the PCB.
Deleted copper ground pours on bottom side -- they serve no practical purpose.
Layer stack is preliminary. Advice from a board house would be useful.
Merge branch 'master' of github.com:jboone/daisho

Conflicts:
	hw/main_board/main_board.brd