Switching the sample to use Email/Password rather than the Facebook sign-in provider since that's easier to setup.

Author: Nicolas Garnier

example/README.md

@@ -6,7 +6,7 @@ This is a sample app showing a usage of the react-firebaseui package in a react
 ## Initial setup, building and serving.
 
 1. Create a Firebase project using the [Firebase console](https://console.firebase.google.com).
-1. In the **Authentication** section of your project's Firebase console, open the **Sign-In Method** tab and enable the **Google** sign-in provider. Optionally, you can also enable Facebook, this requires to create and configure a Facebook application on [Facebook for developers](https://developers.facebook.com/).
+1. In the **Authentication** section of your project's Firebase console, open the **Sign-In Method** tab and enable the **Google** and the **Email/Password** sign-in providers.
 1. Install the run-time and build dependencies:
     ```bash
     npm install

example/src/App.jsx

@@ -41,7 +41,7 @@ class App extends React.Component {
     signInFlow: 'popup',
     signInOptions: [
       firebase.auth.GoogleAuthProvider.PROVIDER_ID,
-      firebase.auth.FacebookAuthProvider.PROVIDER_ID,
+      firebase.auth.EmailAuthProvider.PROVIDER_ID,
     ],
     callbacks: {
       signInSuccess: () => false,