Borderline a3b

-Fixed Clipping

-Changed from Degroot Keep logic to Gravel Pit logic
-Moved blu spawn 512hmu closer to the control points and made it bigger
-Fixed glass hole
-Attached the point C building to the central building and made the point C area generally smaller
-Fixed some sightlines
-Added new red building in front of blu spawn

+Fixed players being able to shoot out of spawn before the round begins
+Added cover to the blue spawn
+Other minor changes including clipping and textures