Street Legal v3.0

The following bugs and features have been addressed in Patch #3:

- improved handling system
- updated car physics
- quicker and more stabile texture loading
- most of random crashes have been removed
- skidmarks
- new particle system and new effects
- improved water physics
- no crash on Win XP if avi codec isn't installed
- non-lineal steering system
- drive aids and options to modify their values
- analog steering help
- force feedback support
- new ambient sounds
- improved sound engine
- built-in MP3 player
- Alt-Tab support
- crash if clicking edge of the screen bug fixed
- control options improved