NGlasl/silverstripe-linkmapping — pull request #1 by nyeholt (2014-07-09 12:30:56+00:00)
Title: API Added fallback rules for missing children

Allow a user to specify general rules for how a particular page should handle
redirects when there are missing children. This includes

* Redirect to a specific URL
* Redirect to the nearest found parent page
* Redirect to that specific page, regardless of hierarchy