Pl_sneglect final

-Removed op flank outside red spawn
-Added another spawn door to 1st red spawn
-Some seam fixes
-Some texture alignments
-Some brush fixes
-Fixed the door sounds
-Fixed goal string message
-Better HDR

Layout:
-New route to cap A
-New forward spawn for blue

Visual:
-Cleanup
-brush-to-prop optimization

Logic:
-Cap explosion damage
-Forward spawns working

Concrete/snow blend env mask fixed