Revert "fix(package): update webpack-isomorphic-tools to version 3.0.2" (#2163)

package.json

@@ -218,7 +218,7 @@
     "url": "0.11.0",
     "url-loader": "0.5.8",
     "utf8": "2.1.2",
-    "webpack-isomorphic-tools": "3.0.2"
+    "webpack-isomorphic-tools": "2.6.6"
   },
   "devDependencies": {
     "autoprefixer": "6.7.7",