Update debug information on search results

For people such as search analyists who need to be able to see positions
and slugs for links (without hovering) to let them do their job more
efficiently.

![screenshot](http://f.cl.ly/items/0o243I3Y0X1e3D453Y0l/Screen%20Shot%202014-06-19%20at%2011.08.01.png)
Since you're having to change the line anyway, can you add a trailing comma here for cleaner future diffs?