Update readme with proper CDN links.

README.md

@@ -38,14 +38,14 @@ Ensure all the dependencies are included on the page (eg, such as using the CDN
 
 <script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.js"></script>
 <script src="//maxcdn.bootstrapcdn.com/bootstrap/3.2.1/js/bootstrap.min.js"></script>
-<script src="//www.fuelcdn.com/fuelux/3.14.2/js/fuelux.min.js"></script>
+<script src="//www.fuelcdn.com/fuelux/3.15.0/js/fuelux.min.js"></script>
 
 ```
 
 #### The code you want is in `dist`
 A few ways available to install.
 
-- Request files from [the Fuel UX CDN](http://www.fuelcdn.com/fuelux/3.14.2/)
+- Request files from [the Fuel UX CDN](http://www.fuelcdn.com/fuelux/3.15.0/)
 - Install with [NPM](https://www.npmjs.com/package/fuelux): `npm install fuelux`.
 - [Download the latest release](https://github.com/exacttarget/fuelux/archive/3.4.0.zip).
 - Clone the repo: `git clone https://github.com/exacttarget/fuelux.git`.