General:
-Added the knife to the melee weapons list.
-Added guaranteed MP5 and SG552 spawns in all maps.
-Increased optimization for maps 2 and 3, or at least attempted to stop frequent crashing.

Map 2:
-Added guaranteed ammo pile at the end of the gauntlet event.

Map 4:
-Removed those pesky riot infected.

Removed unnecessary files

Added compatibility with Shovel and Pitchfork weapons.

Map 1:
-Placed the shotgun on one of the pathways into a visible corner.
-Merged the Health Kit/Defibrillator spawn with the ammo Spawn in the bottom of the starting building.

Map 2:
-Fixed the superweapon spawns.
-The assault rifle spawn at the end of the event will now always appear.

Map 3:
-Added a turret at the event's starting gate.

General:
-Added extra details to the skybox.
-Tweaked the upgrade spawns to use the templates method.
-Added a survival map for map 5.
-Added more dialogue.
-Tweaked the number of weapons available in each safe room.
-Edited the poster a little bit.

Map 2:
-Increased the number of auto shotguns just before the event.

Map 4:
-Moved the upgrade and superweapon spawn to be directly in the finale arena.