Readds borers (#1999)

Readds the cortical borers and also syndi-borers.
Syndi-borers now gives a response if you try to use it multiple times
too quickly, and also prevents usage more than once while it's still
waiting for ghost responses.

code/modules/atmospherics/machinery/atmosmachinery.dm

@@ -280,7 +280,10 @@ Pipelines + Other Objects -> Pipe network
 	return list()
 
 /obj/machinery/atmospherics/update_remote_sight(mob/user)
-	user.sight |= (SEE_TURFS|BLIND)
+	if(isborer(user))
+		user.sight |= (SEE_PIXELS)
+	else
+		user.sight |= (SEE_TURFS|BLIND)
 
 //Used for certain children of obj/machinery/atmospherics to not show pipe vision when mob is inside it.
 /obj/machinery/atmospherics/proc/can_see_pipes()