vipr_hijack a3

• Fixed an exploit where you can jump onto the edges of the A building.
• Reworked the transition area between the bridge area and A.
• Added some more health and ammo kits.
• Edited the fog+lighting some more.
• Oh yeah... replaced a lot of the dev textures.

Lots of changes for A2, mostly around A because it needed some work.

• A lot of changes to A, make sure to check the screenshots
  • Extended the side-entrance to A to provide cover; you can get on top using some crates.
  • Added a tunnel underneath side entrance, and a staircase to get back up.
  • Inside of A now has additional cover.
• Some minor detailing (cuz i hate myself lmao)
• Changed the lighting and fog effects.
• Mission briefing