Diesel Guns Update Alpha v0.8.4.0: New maps and Special Weapons.

Release notes:
New map: Petroleum
New map: Island
New map: Military Base
Added Special Weapons - a unique powerful weapon for each class of vehicle.
New weapons: "OverLord" - a double minigun.
New weapons: "Wolf" - sniper railgun.
Camouflage coloring for vehicles.
Statistics added.
Weapons rebalanced.
Improved bot AI.
Added a new option: Mouse Aim.