Build ver 1.4.3 Updated October 2, 2014

- updated Steamworks and SteamVR SDK to 1.31 SDK
- removed "Standard Mode" setting in options as new SDK made this redundant
- started to implement shader forge shaders on some tracks (Belgium, Test Track)
- started to add Bilboard grass on tracks (Test Track)
- added new interior Senzo CR200 (first car)
- added custom debris for Senzo CR200 (first car)
- added sky cloud shading to tracks
- improved starter LED lamp texture

I've started modeling out all of the car interiors to high-res, this seems to be the #1 comment from early access users. This will take a while as the models still need to be optimized for VR, but also look good at close range. I also removed the standard screen mode settings, as the game was not designed to be viewed from 3rd person, so a lot of non-VR bugs were introduced by adding this (no shadows, no audio, etc.). Steam VR defaults to a single screen view if there is no HMD detected, but the framerate is currently horrendous in single screen mode, so I'll find a solution once the VR mode is closer to being finished.