wrapper for firebase and firebaseui authentication
npm install @spriteful/spriteful-userwrapper for firebase and firebaseui authentication
First, make sure you have the Polymer CLI and npm (packaged with Node.js) installed. Run npm install to install your element's dependencies, then run polymer serve to serve your element locally.
```
$ polymer serve
``
$ polymer test
Your application is already set up to be tested via web-component-tester. Run polymer test` to run your application's test suite locally.