many upgrader updates for languages, image groups, and customer groups if upgrading from pro or ce
added more lang updates for products_images_groups, orders_transactions_status, shipping_availability and weight_classes
Merge branch 'develop' of github.com:loadedcommerce/loaded7 into develop
Merge remote-tracking branch 'remotes/origin/B2506' into develop

Conflicts:
	catalog/includes/javascript/general.js.php
	catalog/install/includes/classes/upgrader.php