Refactor wire datums

Finish wire port and refactor wire datums to use string keys; widen color
range to support more wires and more colors.

code/modules/assembly/assembly.dm

@@ -63,7 +63,7 @@
 //Called when this device attempts to act on another device, var/radio determines if it was sent via radio or direct
 /obj/item/device/assembly/proc/pulse(radio = 0)
 	if(src.connected && src.wires)
-		connected.Pulse(src)
+		connected.pulse_assembly(src)
 		return 1
 	if(holder && (wires & WIRE_PULSE))
 		holder.process_activation(src, 1, 0)

code/modules/assembly/doorcontrol.dm

@@ -55,7 +55,7 @@
 			if(specialfunctions & IDSCAN)
 				D.aiDisabledIdScanner = !D.aiDisabledIdScanner
 			if(specialfunctions & BOLTS)
-				if(!D.isWireCut(4) && D.hasPower())
+				if(!D.wires.is_cut(D.wires.W_BOLTS) && D.hasPower())
 					D.locked = !D.locked
 					D.update_icon()
 			if(specialfunctions & SHOCK)