DarkRP Fire System (Fire Fighters, Extinguishers, Fire Axe, Fire Trucks)

UPDATE

1. Removed redundant code.
2. Removed config table CH_FireSystem.Config.FiretruckModels
3. All firetruck models are now automatically added to the table upon server initializing.
4. This easens the setup process :)
5. Fixed config not supporting lua autorefresh.
6. Fixed CH_FireSystem.Config.ExtinguishAllFiresOnFFLeave not applying.
7. Removed global variable AdvancedWeapons.
8. Added distance check for 3d2d on firetruck NPC.
9. Config option CH_FireSystem.Config.DistanceTo3D2D
10. Applied new config to fire cabinets 3d2d distance instead of hardcoded.
11. Increased fire emitter interval to decrease server load.
12. Replaced Distance with DistToSqr for optimization.
13. Added meta function ply:IsFireFighter()
14. Added meta function ent:IsFireTruck()