Integrating detector on addon board, ready to be cloned for main board
Merge branch 'master' of https://github.com/Photosynq/Photosynq-hardware

Conflicts:
	handheld board/Handheld unit-cache.lib
	handheld board/Handheld unit.bak
	handheld board/Handheld unit.kicad_pcb
	handheld board/Handheld unit.kicad_pcb-bak
	handheld board/Handheld unit.sch

Signed-off-by: Robert <zegarac.robert@gmail.com>