Remove "delete from live" duplicate action in favour of existing "unpublish" which is more consistent with current terminology
Add pop-up verification to destructive actions
Fix bug preventing side-by-side preview of archived pages
Fix bug in reporting publishing of error pages
Restoring a page without an available parent will restore to root
SapphireTest method name was changed to instance method
and setUpOnce() naming in mid 2010 already (093da759).
Since those methods were never invoked, they're obsolete.
Checked that the SiteTree-related tests pass with
Translatable enabled.