Metastation: Compatibility modifications

This commit modifies metastation to actually be playable on our code
Squashed Commits:
 - [META] Fixes emergency shuttle being stuck
 - Toxins Mixing fix: chamber floor > engine
 - Adds research outpost + Chem lab to routpost
 - Add vox raider ship, fix pods and a few shuttle zones.
 - Remove step_x so TRAVIS likes it
 - Finish spawn points, add telepad.

 - Replace showroom with NT-rep/Blueshield Office
   Don't worry, the nuke keg is in the meeting room.
 - Convert art storage to barber shop, place artvend in tool storage
 - Buncha medbay tweaks, 2nd surgery table, body scanners, fixed sleepers,
   minor balance changes.
 - Add Mr. Changs to dorms
 - Update meta to latest paracode
 - Fix punpun
 - Atmos volume pumps, atmos control console
 - Add chicken statue to Mr. Chang's (*cry), Bar smartfridge
 - Fix mr. changs statue and chairs
 - Add togglable polarized windows to surgery, so surgeons can prevent seeing
   other surgery procedures if necessary
 - Actually add atmos control comp
 - Hydro trays are no longer dirt
 - Fix brig windoors
 - Fix escape shuttle sleepers

code/ATMOSPHERICS/components/unary/outlet_injector.dm

@@ -28,6 +28,9 @@
 	if(id && !id_tag)//I'm not dealing with any more merge conflicts
 		id_tag = id
 
+/obj/machinery/atmospherics/unary/outlet_injector/on
+	on = 1
+
 /obj/machinery/atmospherics/unary/outlet_injector/update_icon()
 	if(!powered())
 		icon_state = "off"