Red Herring

Red Herring a4

Changelog:
-Added nobuild in multiple areas.
-Fixed Spy and Sniper spawns.
-Made the hatch area bigger and added some cover.
-Fixed the clipping around the trains on last.
-Added some clipping to the traincar bridge.
-Fixed the clipping above the map.
-Extended trigger_hurt and func_respawnflag around the train car.
-Changed some props around in order to fix the sightline inside the cave.

Notes:
-Will try to fix the sightline around the main bridge as soon as possible.