2.4.7
Fix missing phrase when blocking deleting the last warning category
Rework warning category deleting to ensure cleanup happens atomically
Fix handling warnings being removed when the linked category/warning action have been deleted
Ensure orphaned warning actions are cleaned up on upgrade
Disable change logging of sv_pending_warning_expiry state flag
2.4.6
Remove duplicate : when editing a warning in the admincp
Add "Warning Escalating Defaults - Old-age limit" option (default disabled)
