metastation update: the squeakuel

OKAY WOW
alright this is what i changed:
-ore redemption machine moved to cargo, mineral storeroom removed
-sand and iron ores added to random crates in cargo, like dust or something
-all racks w/ rigs replaced with suit storage units
-all of warden's buttons moved to one table sans his flasher button
-security desk given all kinds of cool buttons so it functions like medbay reception
-all potted plants replaced with alternate sprites that no one has used for whatever reason
-assistant spawns scattered about
-gas mask added to the transit tube room in engineering
-missing area in ai upload added, and an air alarm was moved
-adds traitor documents to vault
-black gloves removed from sec, replaced with a second wardrobe
-fixes security shutters overlapping security doors so sprites wont glitch
-minor atmos and wiring tweaks to accomodate to changed positions of apcs and shit
-chairs in front of the brig peanut gallery changes to individual stools (it looks better trust me)
-probably a lot of very tiny changes i'm forgetting to mention but they're mostly technical

i used map merger even YAYYYY!
[;s merg
Merge pull request #5094 from quiltyquilty/metaud

metastation update: the squeakuel