[source] audio_tone.c added

Conflicts:
	audio_tone.c
	build/default/production/audio_tone.p1
	build/default/production/audio_tone.pre
	build/default/production/main.p1
	build/default/production/main.pre
	dist/default/production/adf7012_pic16lf1825.production.cmf
	dist/default/production/adf7012_pic16lf1825.production.elf
	dist/default/production/adf7012_pic16lf1825.production.hex
	dist/default/production/adf7012_pic16lf1825.production.hxl
	dist/default/production/adf7012_pic16lf1825.production.lst
	dist/default/production/adf7012_pic16lf1825.production.map
	dist/default/production/adf7012_pic16lf1825.production.obj
	dist/default/production/adf7012_pic16lf1825.production.rlf
	dist/default/production/adf7012_pic16lf1825.production.sdb
	dist/default/production/adf7012_pic16lf1825.production.sym
	funclist
	l.obj
	nbproject/Makefile-default.mk
	nbproject/Makefile-genesis.properties
	nbproject/configurations.xml