usb/ada wip
usb wip
rewrote usb
dozens of small fixes and improvements, added brownout prevention, adc wip, usb and gamma done
exported led functions -> led.h
exported usb functions -> usb lib
exported settings / sled, misc / adc functions -> set_sled, misc_adc lib
wip
bugfixes, lib cleanup
improved formatting
Merge branch 'dev' (created libs)

Conflicts:
	Doc/protocol.xlsx
	tiny_firmware/tinyLight.atsuo
	tiny_firmware/tinylight/src/asf/common/boards/user_board/user_board.h
	tiny_firmware/tinylight/src/main.c
	tiny_firmware/tinylight/src/tiny_protocol.h