Woocommerce Authorize.net AIM 3.14.6

* Tweak - Add payment details to the order data export and remove it for erasure requests
* Misc - Add support for WooCommerce 3.4

* Fix - Prevent a warning in PHP 7.2 from the gateway settings page
* Fix - Fix Apple Pay namespacing for the new framework version

* Feature - Add support for auto-capturing orders when changed to a paid status
* Tweak - Add force-charging virtual orders to the emulation gateway
* Tweak - Add a more descriptive error for partially refunding unsettled transactions
* Misc - Remove support for WooCommerce 2.5
* Misc - Remove support for PHP 5.2
* Dev - Namespace the SkyVerge Plugin Framework and move to the /vendor directory