Gannt Codeigniter to try

Hi there, have you guys tried instal this:

https://github.com/josearodrigueze/jquery_gantt


I'm using codeigniter but this dosen't work competely. I see only the first welcome page, and cannot see gantt.php.
Is there anyone who could try to instal this for demo purposes, and see whats wrong whith this?

Thanks a lot for any suggestions