Behat tests for image upload and overwrite in HTML editor
Disable UploadField change detection in assets/admin/add

See https://github.com/silverstripe/silverstripe-framework/issues/2638
Refactor old page redirector into an extension
Merge pull request #801 from ss23/refactor-old-page-redirector

Refactor old page redirector into an extension
Merge pull request #889 from chillu/pulls/2638-uploadfield

Disable UploadField change detection in assets/admin/add
Updated translations
Merge pull request #883 from chillu/pulls/htmleditor-upload-replace

Behat tests for image upload from computer, editing images, etc
Convert behat PHP to SS coding conventions
Implemented Behat test for page search (fixes #620)

Added Deleted state to UpdateState step defination
See https://github.com/silverstripe/silverstripe-cms/pull/896