silverstripe/silverstripe-cms — pull request #123 by mateusz (2012-05-10 02:04:07+00:00)
Title: BUGFIX: unify the response method for record deletions (os7212)

sessionMessage is an old way of returning responses - the consistent way
of doing this is now X-Status header, which then gets distrubuted via JS
in the CMS frontend.

Accompanies https://github.com/silverstripe/sapphire/pull/423