change demo path from @zufrieden pull request

Author: Yago

README.md

@@ -2,7 +2,7 @@
 
 >Cortana is a nice theme for Trulia's [Hologram](https://github.com/trulia/hologram), the ruby front-end doc generator, and inspired by PebbleRoad's [Tapestry](https://github.com/PebbleRoad/tapestry).
 
-Check the [Demo](http://yago31.github.io/Cortana-example)
+Check the [Demo](http://yago.github.io/Cortana-example)
 
 ##Usage
 To install the last version of **Hologram** (required) :

_footer.html

@@ -4,7 +4,7 @@
     </div>
 
     <footer class="cortana-footer">
-      Build with love using Trulia's <a href="https://github.com/trulia/hologram">Hologram</a> and <a href="https://github.com/Yago31/Cortana">Cortana</a> !
+      Build with love using Trulia's <a href="https://github.com/trulia/hologram">Hologram</a> and <a href="https://github.com/Yago/Cortana">Cortana</a> !
     </footer>  
   </div>