Final Optimization Update for the anniversary of Trenchstalemate

[Additions]
+Added Thumbnail
+Better Optimization

[Tweaks]
-Removed some rarely seen props / weapons to increase performance

EDIT: Forgot to add more spawnpoints, will make sure to do it soon!

Additions:
+Added shipping containers to the surface for better cover
+Added 2nd sniper tower to surface
+Added new walls to surface
+Added much more detail to surface
+Added skybox fog
+Added an env_sun

Tweaks:
-Increased lightmap resolution by up to 4x in some locations
-Reworked Sniper Towers to look better, and have twice the height
-Reverted env_soundscape
-Reduced bloom on map (now snow won't be as blinding)
-Reduced radius of mortars

Fixes:
-Fixed alignment of roof texture

Disclaimer: This build of the map may / will have worse performance than the previous one, due to a fast VVis compile.

Additions:
-Added new traitor trap
-Added new building
-Added new 3D Skybox

Tweaks:
-Lowered Skybox to half of the original.
-Increased Lightmap resolution in some areas

Fixes:
-Fixed Bugs

Optimizations:
-Some props will now fade out at a distance

Additions:
-Added House to surface
-Extended Bunker
-Added more detail to out of bounds

Tweaks:
-Tweaked secret cabinet (again)
-Reduced amount of background gunfire sounds

Fixes:
-Fixed bugs

Additions:
-Added extra storage room.
-Added ambient wind noise.
-Added more player start points.
Tweaks:
-Tweaked secret area.
Fixes:
-Fixed clipping bug near fence.

Replaced fence brush with proper fence models. Fixed some texture stretching.

-Optimized the map with more nodraw brushes
-Added new ladder to improve gameplay
-Added new objects around the map
-Improved graphics in some areas

Initial release