fixed rail dungeon

Bookmark icons are now fixed for decrepit stations and commlinks.

Reverted preview image change

Changed the mod preview image

I forgot to fix the modded mech color palate during the previous fix. It is done now.

Fixed mech color palates

Resprited the drive to look more antique.

Fixed dialog death error

fixed decrepit stations

Removed the 2 trading cards (not accessible without commands) due to a mod conflict.