Modules.In-Commerce

Merge of "w/in-commerce/branches/5.2.x@16385" to "w/in-commerce/branches/5.3.x@16392".

Conflicts:

• admin_templates/orders/export/export.tpl
• units/addresses/addresses_config.php
• units/affiliate_payments/affiliate_payments_config.php
• units/affiliates/affiliates_config.php
• units/coupons/coupons_config.php
• units/currencies/currencies_config.php
• units/gateways/gateways_config.php
• units/manufacturers/manufacturers_config.php
• units/order_items/order_items_config.php
• units/orders/orders_config.php
• units/orders/orders_event_handler.php
• units/orders/orders_tag_processor.php
• units/product_option_combinations/product_option_combinations_config.php
• units/products/products_config.php
• units/reports/reports_config.php