Added more Sci-Fi icons and textures.

Added some Urban textures and icons.
Added some planets.

Tweaked textures to be more compatable with Illwinter's Floorplan Generator
Added more textures
Added boat icons
Added rug icons
Added snowy buildings
Added snowy trees
Added more rocks
Added stair icons
Added fountain icons

More to come...

Changed the name, decided to put everything in one mod.