Update translation of toolbox item

Author: osk2

msg/en.js

@@ -89,7 +89,7 @@ var MSG = {
   catDemoImage: "Control Image",
   catDemoArea: "Area Color",
   catDemoButton: "Click Button",
-  catDemoRange: "Subtle Control",
+  catDemoRange: "Slider",
   catDemoYoutube: "YouTube",
   catDemoTracking: "Tracking",
   catDemoController: "Remote",
@@ -100,7 +100,7 @@ var MSG = {
   demoAreaSelect3: "Control Image",
   demoAreaSelect4: "Area Color",
   demoAreaSelect5: "Click Button",
-  demoAreaSelect6: "Subtle Control",
+  demoAreaSelect6: "Slider",
   demoAreaSelect7: "Youtube",
   demoAreaSelect8: "Tracking",
   demoAreaSelect9: "Remote",