Add an onboarding panel for invoicing, it appears above the invoice
list.
After going through the steps the system should be all set to send real invoices.
In the payment module, add a payment acquirer step and add it to the invoice onboarding panel.
task: 60668
Customer portal controller and templates contained in website_payment
module are moved to payment. This module now uses the customer portal
defined in portal module and most of website_payment code is moved
to payment.
website_payment now contain code really related to website, such as
payment acquirers configuration for website.
- Preserved explicit 3rd-party copyright notices
- Explicit boilerplate should not be necessary - copyright law applies
automatically in all countries thanks to Berne Convention + WTO rules,
and a reference to the applicable license is clear enough.