Porting the BEPIS research machinery. (#12277)

* Initial B.E.P.I.S port.

* All nodes but sticky tape are in. Sweet.

* Mapping the BEPIS :DDD

* ah

* deers.

code/modules/power/cell.dm

@@ -227,6 +227,7 @@
 	icon_state = "h+cell"
 	maxcharge = 15000
 	chargerate = 2250
+	rating = 2
 
 /obj/item/stock_parts/cell/high/empty
 	start_charged = FALSE
@@ -237,6 +238,7 @@
 	maxcharge = 20000
 	custom_materials = list(/datum/material/glass=300)
 	chargerate = 2000
+	rating = 3
 
 /obj/item/stock_parts/cell/super/empty
 	start_charged = FALSE
@@ -247,6 +249,7 @@
 	maxcharge = 30000
 	custom_materials = list(/datum/material/glass=400)
 	chargerate = 3000
+	rating = 4
 
 /obj/item/stock_parts/cell/hyper/empty
 	start_charged = FALSE
@@ -258,6 +261,7 @@
 	maxcharge = 40000
 	custom_materials = list(/datum/material/glass=600)
 	chargerate = 4000
+	rating = 5
 
 /obj/item/stock_parts/cell/bluespace/empty
 	start_charged = FALSE

code/modules/power/power.dm

@@ -310,6 +310,7 @@
 		if(H.gloves)
 			var/obj/item/clothing/gloves/G = H.gloves
 			if(G.siemens_coefficient == 0)
+				SEND_SIGNAL(M, COMSIG_LIVING_SHOCK_PREVENTED, power_source, source, siemens_coeff, dist_check)
 				return 0		//to avoid spamming with insulated glvoes on
 
 	var/area/source_area