The XML wasn't working correctly in the last update. It's fixed now -- everyone should update to the new version. Sorry for any trouble and thanks to @Luis for letting me know!
Fixed a problem with the footer copyright
Adjusted line height in navtabs to be in-line
Fixing a small bug in the footer template.
Updated for XenForo 1.3 Release Candidate 2
Fixed padding issue when hovering over navigation sub-links