fix(ckeditor): fix Cannot read property exception

bower.json

@@ -16,7 +16,6 @@
     "tests"
   ],
   "dependencies": {
-    "Ionicons": "ionicons#~2.0.1",
-    "ckeditor": "^4.5.9"
+    "Ionicons": "ionicons#~2.0.1"
   }
 }

config/webpack.prod.js

@@ -154,10 +154,7 @@ module.exports = webpackMerge(commonConfig, {
 
       beautify: false, //prod
 
-      mangle: {
-        screw_ie8 : true,
-        keep_fnames: true
-      }, //prod
+      mangle:false,
       
       compress: {
         screw_ie8: true

package.json

@@ -22,6 +22,7 @@
     "bootstrap-loader": "^1.0.8",
     "chart.js": "^1.1.1",
     "chartist": "^0.9.7",
+    "ckeditor": "^4.5.9",
     "core-js": "^2.4.0",
     "easy-pie-chart": "^2.1.7",
     "extract-text-webpack-plugin": "^1.0.1",