Add a filter to adjust class names added to class related attributes
Useful for places that display category lists
Ensure default parameters are set for cart items.
fix ru.language

missed "Sales log","Customer","Status", "code", "Start Date", "Expiration"
update wpsc-ru_RU.po

fix missed
Fix for product external link values not being displayed in the admin after saving causing overwriting values when updating a product.
Update product external link meta box form fields to use WordPress coding standards.
Cleanup whitespace and use tabs in product external link meta box form code.
Fix PHP Product Class and Stats PHP errors
Errors were result of instantiating a product using a product id corresponding to a product that was deleted.  As this is a normal occurrence as products come and go from a store the instantiation isn't the problem, but doing some operations on it is a problem.

Before doing these operations a check is made to see if they are permitted.
Merge pull request #1381 from Stepanov-Sergey/patch-1

fix ru.language
Merge pull request #1385 from benhuson/wpsc_product_external_link_forms

Fix for saving/displaying of product external link data broken in admin.
Properly initialise perso form settings

The personalization form settings weren't being correctly initialised from the database.
Display wpec product gallery in admin page in the order set by administrator
Implement isset() and empty() for WPSC_Product properties
_ private method name
_ the calls to the newly-_'d private method name. #derp
Merge pull request #1396 from leewillis77/isset-in-product-class

Implement isset() and empty() for WPSC_Product properties
Correct functioning of __empty() magic method.
Merge pull request #1399 from leewillis77/isset-in-product-class

Correct functioning of __empty() magic method.
Filter needs_shipping_recalc
Namespace filter & add basic docblock.