updated README with new image

Author: mike-casas

README.md

@@ -1,6 +1,6 @@
 ##JWT.io
 
-<img src="https://cloudup.com/csK82bzTY8j+"/>
+<img src="https://cdn.auth0.com/blog/jwtio/jwtio.png"/>
 
 [![Build Status](https://travis-ci.org/jsonwebtoken/jsonwebtoken.github.io.png?branch=master)](https://travis-ci.org/jsonwebtoken/jsonwebtoken.github.io)
 
@@ -22,9 +22,7 @@ grunt
 
 And then go to http://0.0.0.0:8000.
 
-That will create the css from the less files, minify the javascript and generate `index.html` from `html/index.html`. 
+That will create the css from the less files, minify the javascript and generate `index.html` from `html/index.html`.
 
 
 ### Happy hacking!
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