Integrate visitor meta with customer data API.

Fixes #566.
Fix add to cart bug.

Fixes #514.
More shipping API adherence
Add actions to allow additional info to be output on the order header on acking slips
update german language strings
more localization updates
more updates
Merge pull request #587 from yellowtree/lang_de_update

Localization Update German
Merge pull request #582 from leewillis77/packing_slip_filters

Packing slip filters
Just passed 2.5 million downloads.  Mind blowing.
Add proper closing tag for array2xml function in the UPS shipping module.  Fixes issue 575.
Merge branch 'master' of github.com:wp-e-commerce/WP-e-Commerce
Remove IE6 hacks in Colorbox CSS.
Add logic filter for coupons.  We currently have one for properties, this should sufficiently round out the extensibility for the UI.
Use the WordPress 3.5 Media Manager UI for everything related to product media (except for downloadables).

- Product Gallery
- Variation media UI

Fixed #42.
Fixed #41.
Fix appearance of WPEConomy message box.
Use constants for table names, and remove meta function template.

Fixes #566.
Merge pull request #591 from garyc40/pr-sputnik

Fix appearance of WPEConomy message box.
Merge pull request #592 from garyc40/pr-41

Use the WordPress 3.5 Media Manager UI for everything related to product media (except for downloadables).
Don't return early on cart serialization on shutdown when is_admin() is true due to being an AJAX request.