PD_Iceflake A3

Alpha 3

Updated spawns to have a another exit
Opened up a building
Detailed parts of the map
Changed snow particle to spawn higher up to prevent it from going through buildings
Brightened up the map

-Added areaportals to the spawn area
-Changed skybox to a night/morning skybox
-Detailed a couple of areas
-Added light to the bottom section of the map for visibility
-Changed particles to be more translucent