One 4 Nine (L4D2) - v3 of campaign now released file

List of fixes from version 1 to 3:
- Survivors must now go near to monolith to trigger the end of the finale.
- Color correction in finale now only occurs for the first 15 seconds not the entire duration.
- Added heavy black vignetting in finale to suggest survivors losing consciousness.
- Fixed finale ending prior to 2nd tank being killed.
- Fixed nav problem in map 1 at the bottom of the lift to the right.
- Removed some throwables from maps 2, 3 and 4.
- Player SI can now access vent shaft near lift in map 3.
- Added crowbar near start of map 1.
- Added fireaxe in front of house in map 1.
- Added samurai sword in medical bay in map 4.
- Changed lift sounds in maps 1 and 3.
- Added defibrillators in maps 1, 3 and 4.
- Prevented tanks and witches spawning in map 1.
- More zombies and chargers spawn in the waterlogged tunnels in maps 1 and 2.
- Added mini-onslaught at end of maps 2 and 3.
- More frequent zombie hordes in most of map 4 and all of map 5.
- Fixed zombies able to spawn below lift in map 3 before the survivors activate it.
- Fixed some sounds being too quiet.
- Fixed healthpacks in saferooms not spawning in versus.
- Added grenade launcher to map 4.
- Added desert eagles to maps 3, 4 and 5.
- Added laser sights to map 4.
- Added desert rifle to maps 3 and 4.
- Fixed smokers grabbing survivors from behind caved-in sand piles in map 5.
- Added new graffiti in map 1 house explaining the survivors' motivation for going to the tomb.
- Added SuicideBlitz poster in map 1 house.
- Added custom instructor hint messages throughout campaign.
- Prevented players climbing part of the rock wall in the finale area.
- Added zombie types to certain areas of the campaign.