Description:
CHANGELOG 19.15
===============
New positive action UI sound.
New mail UI sound.
New error UI sound.

Credits:
* SCS Software for base sounds
* Drive Safely for sound edits, some sound samples, and for compiling mod
* antonvezdehod, Ludmilla and Katixa/Irreo for some tire sounds
* Balamut for some key swing and light suspension sounds
* AlexeyP for some trailer coupling, gate/barrier and fuel pump sounds, and sounds from Improved Environment Sound
* cipinho for some AI traffic sounds
* kriechbaum for light switch, blinker off, and high beam stick sounds
* Slider_556 for cleaning suspension sound effects