Settings: Hijack system updates entry point

* Take them to our updater

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>
Settings: Show our firmware version in About G-/MediaBox

Signed-off-by: Brandon McAnsh <brandonm@matricom.net>
Settings: Show Lock Screen security options again

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