Shaft

Shaft B6

-Changed vent route
-Fixed respawn time
-Changed geometry around lobby
-Minor changes
-Added vent route to last
-Added window to shutter door
-Displacement is now a bit smoother
-Moved health packs on mid
-Removed shutter door on last
-Minor changes
-Big layout changes
-Added ammo packs on mid
-2nd point is now higher
-Improved lightning on last
-Minor changes