It's worth to mention that you need to use SharePoint Designer 2013 to perform this operation.
n
n
In this tread there is more details about how you do it.
n
http://en.community.dell.com/techcenter/sharepoint-for-all/f/4782/t/19560164#81612
n
n
n
n
PS
n
This additional note is for people that haven't done any OOB menu replacement with QAs menus.