Merge remote-tracking branch 'upstream/master' into dev-freeze

Conflicts:
	code/game/verbs/suicide.dm
	code/modules/nano/modules/crew_monitor.dm

code/ATMOSPHERICS/datum_pipeline.dm

@@ -28,9 +28,6 @@ datum/pipeline
 				if(!member.check_pressure(pressure))
 					break //Only delete 1 pipe per process
 
-		//Allow for reactions
-		//air.react() //Should be handled by pipe_network now
-
 	proc/temporarily_store_air()
 		//Update individual gas_mixtures by volume ratio