Updating readme

README.md

@@ -36,7 +36,7 @@ Features
 * Sphinx Documentation
 * Django Nosetests 
 * Basic Authentication with username and password
-* **OAuth 2.0 Authentication** for Github, LinkedIn and Instagram
+* **OAuth 2.0 Authentication** for Github, LinkedIn, Instagram and Facebook
 * **OAuth 1.0a Authentication** for Twitter and Tumblr
 * **API Examples**
     * Yelp API
@@ -50,6 +50,7 @@ Features
     * Quandl Stock API
     * New York Times API
     * LinkedIn API
+    * Facebook API
 
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