Sorts attributes by type code in catalog filter and detail view
Adds margin between image and product name in basket
Displays rebate and tax value only if available
Checks if all variant attributes are selected
Improves visibility of price in catalog list view
Shows text above stock levels in catalog list view on mouse over
Adds close button to basket overlay and improves JS
Uses values from CSS instead of fixed ones for image zoom
Makes image zoom more robust against zoom windows for images outside of the container
Updates CSS for delivery/payment e-mails
Merge pull request #527 from nsendetzky/master

Improves usability catalog and basket views, makes image zoom more robust