What was supposed to be another straightforward major system overhaul that once again spiraled out of control (#8220)

* get_tool_quality has numerical meaning

* Basic tools set tool quality

* Toolspeed is replaced by tool quality checks

* Addresses assorted results from live test

* Extra cleanup

code/modules/assembly/assembly.dm

@@ -70,7 +70,7 @@
 		if((!A.secured) && (!secured))
 			attach_assembly(A,user)
 			return
-	if(W.is_screwdriver())
+	if(W.get_tool_quality(TOOL_SCREWDRIVER))
 		if(toggle_secure())
 			to_chat(user, "<span class='notice'>\The [src] is ready!</span>")
 		else

code/modules/assembly/holder.dm

@@ -103,7 +103,7 @@
 	..()
 
 /obj/item/device/assembly_holder/attackby(var/obj/item/weapon/W, var/mob/user)
-	if(W.is_screwdriver())
+	if(W.get_tool_quality(TOOL_SCREWDRIVER))
 		if(!a_left || !a_right)
 			to_chat(user, "<span class='warning'> BUG:Assembly part missing, please report this!</span>")
 			return

code/modules/assembly/shock_kit.dm

@@ -14,7 +14,7 @@
 	return
 
 /obj/item/assembly/shock_kit/attackby(var/obj/item/weapon/W, var/mob/user)
-	if(W.is_wrench() && !status)
+	if(W.get_tool_quality(TOOL_WRENCH) && !status)
 		var/turf/T = loc
 		if(ismob(T))
 			T = T.loc
@@ -26,7 +26,7 @@
 		part2 = null
 		qdel(src)
 		return
-	if(W.is_screwdriver())
+	if(W.get_tool_quality(TOOL_SCREWDRIVER))
 		status = !status
 		to_chat(user, "<span class='notice'>[src] is now [status ? "secured" : "unsecured"]!</span>")
 		playsound(src, W.usesound, 50, 1)