Implemented tone/noTone functions
Minor change to calculate Timer register values
Merge branch 'master' into feature/arduino-tone-notone
Reimplemented tone using timer interrupts in output compare toggle mode
Fixed tone/noTone issues and Tested successfully
Moved tone/noTone into a separate source file
Merge branch 'master' into feature/arduino-tone-notone

Conflicts:
	inc/application.h
Merge branch 'feature/arduino-tone-notone'