Andrew Short 06fbb96f88 API CHANGE: Decoupled ErrorPage::response_for() from the request and updated it so it will only return a response if an appropriate error page can be found.
MINOR: Updated ContentController->httpError() to use Controller->httpError() if there is no error page.

From: Andrew Short <andrewjshort@gmail.com>

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@88507 467b73ca-7a2a-4603-9d3b-597d59a354a9
2009-10-11 00:07:25 +00:00
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