Update @ngtools version

Author: vakrilov

Diff for: package.json

@@ -49,7 +49,7 @@
   },
   "devDependencies": {
     "@angular/compiler-cli": "~4.1.3",
-    "@ngtools/webpack": "~1.4.0",
+    "@ngtools/webpack": "~1.5.3",
     "babel-traverse": "6.11.4",
     "babel-types": "6.11.1",
     "babylon": "6.8.4",
@@ -93,4 +93,4 @@
     "build-android-bundle": "npm run ns-bundle --android --build-app",
     "build-ios-bundle": "npm run ns-bundle --ios --build-app"
   }
-}
+}