Changes reinforced glass material name

Gives the reinforced glass material a name that is easier to verify for
correctness.

code/modules/materials/material_sheets.dm

@@ -192,7 +192,7 @@
 /obj/item/stack/material/glass/reinforced
 	name = "reinforced glass"
 	icon_state = "sheet-rglass"
-	default_type = "reinforced glass"
+	default_type = "rglass"
 
 /obj/item/stack/material/glass/phoronglass
 	name = "phoron glass"

code/modules/materials/material_synth.dm

@@ -34,5 +34,5 @@
 
 /obj/item/stack/material/cyborg/glass/reinforced
 	icon_state = "sheet-rglass"
-	default_type = "reinforced glass"
+	default_type = "rglass"
 	charge_costs = list(500, 1000)

code/modules/materials/materials.dm

@@ -439,7 +439,8 @@ var/list/name_to_material
 	return (hardness > 35) //todo
 
 /material/glass/reinforced
-	name = "reinforced glass"
+	name = "rglass"
+	display_name = "reinforced glass"
 	stack_type = /obj/item/stack/material/glass/reinforced
 	flags = MATERIAL_BRITTLE
 	icon_colour = "#00E1FF"

code/modules/power/solar.dm

@@ -251,7 +251,7 @@ var/list/solars_list = list()
 			playsound(src.loc, 'sound/items/Ratchet.ogg', 75, 1)
 			return 1
 
-		if(istype(W, /obj/item/stack/material) && W.get_material_name() == "glass" || W.get_material_name() == "reinforced glass")
+		if(istype(W, /obj/item/stack/material) && (W.get_material_name() == "glass" || W.get_material_name() == "rglass"))
 			var/obj/item/stack/material/S = W
 			if(S.use(2))
 				glass_type = W.type