Configured triggers for blow on all 4 players. Turned player into a prefab. Added a meter that goes down for blowing (not a visible meter).
Merge branch 'BlowMeter' of https://github.com/cplepel/GameJam into BlowMeter

Conflicts:
	Assets/Scenes/MainScene.unity
New scene serialization and asset serialization meaning we can do efficient merging and workthroughs.