Adds a woo- prefix to the slug when fetching update information
for themes and extensions. Allows us to look up these slugs later
when fetching plugin information and pass the correct product id
to the /info endpoint.
* Connect a site to a WooCommerce.com account
* List available product subscriptions
* Activate/deactivate subscriptions and extensions
* Serve updates for active subscriptions
Konstantin Kovshenin