Random game tweaks: car skins, road mask, GUI icons.

[Calinou]

This is a list of random enhancements to the game (in the form of textures and sounds). Be sure to backup the original files.

data/hud
New icon set (from Freecns Cumulus): https://dl.dropboxusercontent.com/u/823 ... _icons.png

data/cars/ES/
Improved (but broken) default car (such as ES) sound: https://dl.dropboxusercontent.com/u/823 ... engine.wav

data/cars/<car name>/textures/
Car skins (patterns):
https://dl.dropboxusercontent.com/u/823 ... 00_red.png
https://dl.dropboxusercontent.com/u/823 ... 00_red.png
https://dl.dropboxusercontent.com/u/823 ... 00_red.png

data/road/
More consistent road mask (alpha): https://dl.dropboxusercontent.com/u/823 ... dAlpha.png