Added extra before- layer rendering overridable methods
Turned off fog disabling by default
Added the FogMaskLayer
Disabled near/far clipping plane override
Added LayerList that gets rendered prior to the normal layer list
Removed layer picking/rendering double implementation
Added fog mask to pre-layers
Changed near/far clipping plane calculation to better support sub-surface rendering
Added sorting of the geometry produced by the tessellator
Added the FPS layer for performance tuning
Added correct fullscreen handling
Disabled fog for stars layer