Map changes, lighting, new janitor sign, major fix to sec armory.

- New plant in cargo (grinch stole the old one)
- Fixed misplaced doors in engineering.
- Added lights in: Cargo, cargo hallway, security staircase, warden hallway, green armory, medical EMT, security airlock.
- Fixed typo in drone pod crash event.
- Added a power cell charger in mining
- Added janitor department sign, placed appropriately.
- Moved frostlamp outside teleporter airlock, shouldn't wander inside as much.
- Removed binocs in mining, replaced with belts.
- Adjusted Blue armory and Engineering tool storage to greatly increase wall security.
- Fixed a triplet of scrubbers and vents in engineering tool storage.
- Removed atmos pipes that led into walls.

code/game/objects/structures/signs.dm

@@ -1235,6 +1235,10 @@
 	name = "CHAPEL"
 	icon_state = "chapel"
 
+/obj/structure/sign/department/janitor
+	name = "JANITOR"
+	icon_state = "janitor"
+
 /obj/structure/sign/department/bridge
 	name = "BRIDGE"
 	icon_state = "bridge"