Updated product repo to allow editing price names (#265)
Updated product repo to allow editing price names (#265)

refs https://github.com/TryGhost/Team/issues/616

For existing prices linked to a Product, we only allow site owners/admins to edit their nickname and nothing else. This change handles the update in Ghost, but needs extension to update the name in Stripe as well.
TryGhost/Ghost,TryGhost/Ghost,TryGhost/Ghost