KAZMUNAYGAZ TRAILER FIXED & EDITED 1.31.x

FIXED - EDITED: Sergey NoesMalo
CHANGES:
Updated to 1.31.x
Added trailer cables support.
Fixed 3D model (vertices, height, axles, collisions).
Added advanced coupling.
Fixed lightmask and lights.
Fixed ui shadow and fakeshadow.
Added fire extinguishers.
Added license plate lights.
Now you can see it in traffic.
Now has standalone wheels.
Deleted innecesary files.
Fixed missing trailer in jobs browser.