Settings: Hijack system updates entry point

* Take them to our updater

Signed-off-by: Brandon McAnsh <brandonm@matricom.net>
Show Superuser entry point conditionally the correct way

Signed-off-by: Brandon McAnsh <brandonm@matricom.net>
Settings: Always show the System Updates entry point

* This will be used to go to our Updater

Signed-off-by: Brandon McAnsh <brandonm@matricom.net>