chore(package): update @nguniversal/common to version 7.0.2

Closes #38

Author: greenkeeper[bot]

demo/package.json

@@ -44,7 +44,7 @@
     "@angular/language-service": "^6.1.2",
     "@angularclass/hmr": "~2.1.3",
     "@compodoc/gulp-compodoc": "^0.0.9",
-    "@nguniversal/common": "^6.0.0",
+    "@nguniversal/common": "^7.0.2",
     "@nguniversal/express-engine": "^6.0.0",
     "@nguniversal/module-map-ngfactory-loader": "^6.0.0",
     "@types/jest": "^23.3.1",