OxygenRoom
Preparing doors
Closed rooms are leak-proof.
Bug fixing for pressure repartition.
Doors will be drawn over all and light will affect rooms only if the
doors are opened.
Doors open when enter a room. Updates shadows map and static light
render.
Should only compute door shadows and not the whole map.
meging inventory

Merge branch 'master' into pressure

Conflicts:
	src/game/GameLoop.java
	src/userInterface/PlayerStatsOverlay.java
Doors do not cast shadows (glass ?) for performance issues
Merge branch 'master' into pressure

Conflicts:
	src/game/GameLoop.java
Memory leaks fixing (still one important but can't find where)
Hide non discovered rooms