redirects scattersky colorization from col2 to col
updates empty room with a scattersky and timeofday (sped up to cycle every 30 seconds instead of every 2 minutes)
full-bore reversion to stock for scatterSkyP.hlsl
Merge pull request #25 from Azaezel/deferred_shading

Deferred shading
If not finding a specmap to derive a color alpha from, it defaults to full reflectance as per stock torque functionality when not having a secondary material layer.
Merge pull request #26 from Azaezel/deferred_shading

If not finding a specmap to derive a color alpha from, it defaults to fu...
Merge remote-tracking branch 'Andrew/deferred_shading' into deferred_shading