Add 'defaultBillingAddress' and 'defaultShippingAddress' on Commerce Profile
Merge pull request #1064 from inthause/documents

Add 'defaultBillingAddress' and 'defaultShippingAddress' on Commerce Profile
Add tracking URL handling.
Minor fixes.
Replace all select-model="true" (not working any more) by select-model="{editable: true, abstract: false}" in document picker declarations.
Get variant stock data in ProductVariantPresentation and use it in template to show the variants that can be added to cart.
Better logout handling in admin panel.