rc3 changelog

- improved snowy basalt visuals
- brightened lights in middle building to better highlight route for RED side
- fixed some prop lighting issues
- fixed small seam between barriers by spawn

rc2 changelog:

- fixed missing pickups in blu short stairs
- fixed several bumpmapping errors
- fixed detailtexture scaling on basalt columns
- adjusted prop lightmapping
- fixed a weird bit of collission in short stairs
- fixed an annoying bit of collision around mid
- fixed wrong cubemap assignment on some ground

Updated workshop icon