Various minor updates and now using new Authorixe.net class with saved card profiles.

Various minor updates and now using new Authorixe.net class with saved card profiles.

Updated views/admin/management/registrations.html to remove no longer required settings for Authorize.net
Also added support for Verified Merchant Seal HTML code.
Updated some comments in checkout.php to better explain the checkout options selection.
Removed lib/paymentProcessors - Moved that to main member plugin and updated it.
Updated database to add reg_authorize_net_merchant_seal to management
Updated dataManagement.php and the management view to use merchant seal.
Checkout now using saved credit card profiles with new Authorize.net payment processor class in main plugin.