Use tin from MTG instead of `moreores` (#401)

Vitaliy

2018-07-21 d1b54a573c6287ea1d63b9c3f979c39058b1331a

 technic/machines/register/battery_box.lua

@@ -18,7 +18,7 @@
   output = "technic:battery",
   recipe = {
      {"group:wood", "default:copper_ingot", "group:wood"},
      {"group:wood", "moreores:tin_ingot",   "group:wood"},
      {"group:wood", "default:tin_ingot",    "group:wood"},
      {"group:wood", "default:copper_ingot", "group:wood"},
   }
})
@@ -255,8 +255,9 @@

      local charge_percent = math.floor(current_charge / max_charge * 100)
      meta:set_string("formspec", formspec..add_on_off_buttons(meta, ltier, charge_percent))
      local infotext = S("@1 Battery Box: @2/@3", tier,
            technic.pretty_num(current_charge), technic.pretty_num(max_charge))
      local infotext = S("@1 Battery Box: @2 / @3", tier,
            technic.EU_string(current_charge),
            technic.EU_string(max_charge))
      if eu_input == 0 then
         infotext = S("%s Idle"):format(infotext)
      end