Updated cdnjs URL

Author: flesler

README.md

@@ -26,9 +26,9 @@ CDN provided by [jsdelivr](http://www.jsdelivr.com/#!jquery.scrollto)
 ```html
 <script src="//cdn.jsdelivr.net/jquery.scrollto/2.1.0/jquery.scrollTo.min.js"></script>
 ```
-CDN provided by [cdnjs](https://cdnjs.com/libraries/jquery-scrollTo) (outdated)
+CDN provided by [cdnjs](https://cdnjs.com/libraries/jquery-scrollTo)
 ```html
-<script src="//cdnjs.cloudflare.com/ajax/libs/jquery-scrollTo/1.4.14/jquery.scrollTo.min.js"></script>
+<script src="//cdnjs.cloudflare.com/ajax/libs/jquery-scrollTo/2.1.0/jquery.scrollTo.min.js"></script>
 ```
 
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