[-] MO : Fix NetworkError 404 Not Found on admin in blocklayered.php

These files not exists :
 - /js/jquery/jquery-ui-1.8.10.custom.min.js
 - /css/jquery-ui-1.8.10.custom.css
Merge pull request #894 from codeurWeb/patch-6

[-] MO : Fix NetworkError 404 Not Found on admin in blocklayered.php