machinery_process() & auto_use_power efficiency tweaks (#2657)

changes:

Machinery now uses machinery_process() instead of process(), allowing machines to be put into SSprocessing-style lists in addition to the machinery list.
Automatic power calculations now involve less proc-calls.

code/ATMOSPHERICS/components/binary_devices/circulator.dm

@@ -67,7 +67,7 @@
 	stored_energy = 0
 	return last_stored_energy_transferred
 
-/obj/machinery/atmospherics/binary/circulator/process()
+/obj/machinery/atmospherics/binary/circulator/machinery_process()
 	..()
 
 	if(last_worldtime_transfer < world.time - 50)
@@ -144,4 +144,4 @@
 		return
 
 	src.set_dir(turn(src.dir, -90))
-	desc = initial(desc) + " Its outlet port is to the [dir2text(dir)]."
+	desc = initial(desc) + " Its outlet port is to the [dir2text(dir)]."

code/ATMOSPHERICS/components/binary_devices/dp_vent_pump.dm

@@ -99,7 +99,7 @@
 	update_icon()
 	update_underlays()
 
-/obj/machinery/atmospherics/binary/dp_vent_pump/process()
+/obj/machinery/atmospherics/binary/dp_vent_pump/machinery_process()
 	..()
 
 	last_power_draw = 0

code/ATMOSPHERICS/components/binary_devices/passive_gate.dm

@@ -44,7 +44,7 @@
 /obj/machinery/atmospherics/binary/passive_gate/hide(var/i)
 	update_underlays()
 
-/obj/machinery/atmospherics/binary/passive_gate/process()
+/obj/machinery/atmospherics/binary/passive_gate/machinery_process()
 	..()
 	
 	last_flow_rate = 0

code/ATMOSPHERICS/components/binary_devices/pump.dm

@@ -62,7 +62,7 @@ Thus, the two variables affect pump operation are set in New():
 /obj/machinery/atmospherics/binary/pump/hide(var/i)
 	update_underlays()
 
-/obj/machinery/atmospherics/binary/pump/process()
+/obj/machinery/atmospherics/binary/pump/machinery_process()
 	last_power_draw = 0
 	last_flow_rate = 0