Added a light to the Railgun

Updated for the latest patch.
---Ballast deck vending machine and trash can removed, replaced with planters and a plant cabinet.
---Reactor cabinet refilled with janitorial supplies.

I may also have forgotten to add dock toggling...

I may have also forgotten to hook up the signaling for docking...

I may have forgotten to plug in the O2 generator... Whoops! I also added some lights to the outside of the hull and cleaned up a wire or two.