Add switch feature (switch instead of PWM on any channel)
cleanup
Fix LED bahaviour on scannerMode
Merge branch 'master' into 19-bcom-in-c
Merge branch '19-bcom-in-c' into 20-standalone
Merge branch '20-standalone' into 21-bool
Merge branch '21-bool' into 22-printf

Conflicts:
	common.h
	dialog.h
	openLRSng.ino