* All orders created with the ec384 account have deactivated authz.
According to the spec, these orders are invalid and should not be
listed when listing orders. With the latest Pebble version, which
handles this correctly, this causes the current tests to fail,
since they expect orders to be present.
* Orders cannot be deactivated, they are invalid.
* Make compatible with newest Pebble.
* Provide error information.
* Add helper function for order creation retrying.
* Improve existing documentation.
* Document 'replaces' return value.
* Add order_creation_error_strategy and order_creation_max_retries options.
* Add changelog fragment.
* Fix authz deactivation for finalizing step.
* Fix profile handling on order creation.
* Improve existing tests.
* Add ARI and profile tests.
* Warn when 'replaces' is removed when retrying to create an order.