updated sound effects
added headshot and flapping sfx
added sfx to boss on lvl 3
Merge remote-tracking branch 'origin/master' into SoundEffects

Conflicts:
	Platformer/Engine.js
	Platformer/Type1Enemy.js
	Platformer/Type2Enemy.js
Added Comet Gun SpriteSheet
updated credits and sfx
Added Start Splash Screen

frame 0 and 1 should alternate slowly-ish
Incorporation of Splash Screen
added barrier sfx to lvls 2-5
trying to sync
Bats fix

Bats now register if character is shielded.
Added intro music
Added Credit Screens Blank and With Text
Merge remote-tracking branch 'origin/master' into SoundEffects
fixed game over music
Background6
lvl3 boss fix sfx
Merge remote-tracking branch 'origin/master' into SoundEffects
hot fix on lvl3 boss sfx
Update for Highschool