Downgrade resolve-url-loader

Author: alexdevero

package.json

@@ -59,7 +59,7 @@
     "postcss-cssnext": "^3.1.0",
     "postcss-loader": "^3.0.0",
     "react-hot-loader": "4.3.8",
-    "resolve-url-loader": "^3.0.0",
+    "resolve-url-loader": "^2.3.1",
     "rimraf": "^2.6.2",
     "sass-lint": "^1.12.1",
     "sass-loader": "^7.1.0",