Add Ceiling And Put Alpha Polish On Warehouse

Partially Attends To #9 (closed)

• Tweak colors and light-levels
• Fix warehouse lights having white-edge
• Add initial ceiling code and textures

Polish ceiling textures to add more detail (vents, piping, etc) Beyond what I can do right now.

[Potential] Add Stuff To Aisles @GreenXenith is working on pallets and forklifts.

[Potential] Add "Support" Pillars Not worried about it for the alpha.