Changes
-------------
- new custom sky
- new 3D skybox
- tweaked env lighting
- lowered filesize to nearly 150 mb
- updated animal signs (no more latin text)
- couple of new/changed models and skins
- ...


Fixes
--------
- made red ball physics
- made tire swing physics
- improved clipping overall
- made aquarium window frames solid to grenades/physics
- metal fence on A site blocks grenades now
- lowered filesize
- ...