Show number of pages that reference each page in All Wiki Pages

[gregnordin]

It would be helpful if the table at Wiki → Manage → All Wiki Pages included a column that shows how many other pages reference a given page. If the number is 0, then the page is an orphan. Such pages are usually created by students when they realize that a page they are working on could have a better name so they make a new page with a new name and copy everything over to it, leaving behind the old page as an orphan. Such pages can be deleted, but it is difficult to identify them.