added heart beat loops that get increasingly faster
Merge branch 'master' into jon

Conflicts:
	HeartBeatDown/src/Game.hx
player can get hit by hazards
Merge branch 'master' into jon

Conflicts:
	HeartBeatDown/src/Game.hx
added hazards back into game loop
merged David's Game.hx back in
added hazard back in
manual merge
updated assets
adding UI assets
added start title screen
Merge branch 'master' into jon

Conflicts:
	HeartBeatDown/src/Game.hx
added end game credits screen
enabled starting a game again
manually merging again
i don't know anymore, I've done this four times
Merge branch 'master' into jon

Conflicts:
	HeartBeatDown/src/Game.hx
manually rewrote old jon stuff
added bgm