Reverted some layer adjustments I did that seem to have broken things, bugfixes for operating tables, choking people, and CPR, giving. Also added sterile mask box sprite, and tossed the singularity crap into a spawn(0) to try and reduce lag.

code/defines/obj/closet.dm

@@ -13,7 +13,6 @@
 	var/health = 100	//Might be a bit much, dono can always change later	//Nerfed -Pete
 	var/lastbang	//
 	var/lasttry = 0
-	layer = 2.8
 
 /obj/structure/closet/detective
 	name = "Detective's Closet"

code/defines/obj/storage.dm

@@ -277,7 +277,7 @@
 /obj/item/weapon/storage/stma_kit
 	name = "Sterile Masks"
 	desc = "This box contains masks of +2 constitution." //I made it better.  --SkyMarshal
-	icon_state = "latex"
+	icon_state = "mask"
 	item_state = "syringe_kit"
 
 /obj/item/weapon/storage/trackimp_kit