HUGE SOUND OVERHAUL

FIRE:
- Finished giving most firebending abilities sound
- Made combustion have its own sound

WATER:
- Gave waterbending moves sound
- Made anything ice related use a different sound

AIR:
- Gave airbending moves a sound

EARTH:
- Converted to the Methods way to use earth sounds

AVATAR STATE:
- Gave activating the Avatar State a sound