Copied over sound effects
Added music & sound effects to lvl 1-3
jumpsound added to character.js
added charging and firing to character.js
updated weaponfire and chargefire
finished sfx to lvl 1 and extend to lvl2-3
added stopLevelMusic to platformer.js
Merge remote-tracking branch 'origin/master' into SoundEffects
added music, sfx to lvl 3-5
Merge remote-tracking branch 'origin/master' into SoundEffects