Take livebar out of class game + test if player is able to fire (isDead)
Assign livebar to player + manage killing a player

- Now, there is a livebar for each player.
- Manage position of livebar if a new player is added to the game
- Remove livebar when it's not used anymore (function remove of player)
Update Livebar - still some work to do

- Adding livebar to gameLayer instead of hudLayer
- Manage position (relative to player) with tween
- function removeLive()
Merge remote-tracking branch 'origin/master'

Conflicts:
	class/player.js