New methods moved from ovens helper to a new data helper, because should be used also in freezers view
private keys and addresses actions and view are now in the freezers controller. The ones in the ovens controller are left for now but not routed. Those should be used with uploaded files once i build that
disabled ovens and slow freezers spec as I'm slowly moving away from old design. Added freezers integration spec instead. After freeze now redirecting to private_keys page and flashing the password