Cleaned up audio functions and fixed audio
Merge branch 'good_audio' of https://github.com/rsingla92/Donkey-Kong into good_audio

Conflicts:
	DonkeyKong/main.c
Merge branch 'good_audio' of https://github.com/rsingla92/Donkey-Kong into good_audio
Improved audio code
Improved audio slightly
Added interrupt frameworks
Added audio interrupt and allowed music to loop or play once
Added some audio functionality like pausing, resuming and restarting
Merge branch 'master' of https://github.com/rsingla92/Donkey-Kong into audio_test

Conflicts:
	DonkeyKong/main.c