Improved rain v1.1 for ATS

-New raindrops textures on the windshield and from outside; -New look of roads during the rain; -Better internal and external rain sounds; -Better thunder sounds. Changelog for v.1.1: -Mod was updated to be compatible with ATS v.1.33 Mod was tested on ATS 1.33.x.x, but it should work on older game versions too. Important! 1.Always give this mod highest possible priority among other mods! 2.If you play with Sound fixes pack mod enabled, then you must use rain-sfp.scs mod, not rain.scs!