ubercart 6.x-2.0-rc2

Changes since Ubercart 6.x-2.0-rc1:

• 437268-5 by sammys: function name and comment fix for recent attribute label feature.
• 437928 by sammys: Fix url from cart block summary to settings page.
• 10467 by KingAndy: Delete variables when uninstalling uc_stock.
• 439166 by Island Usurper: Pass specified From address in settings form to drupal_mail() for the email invoice action.
• 382486 by Ryan: remove an unnecessary rebuild check on the order pane list function.
• 439882 by Ryan: fixed a variable name typo stopping PayPal Express Checkout payments.
• 439982 by TR: update PayPal currencies to latest accepted currencies list for both WPP and WPS.
• 441194 by jrust, Ryan: fix the query arguments for the order edit form product selector and disambiguate the variable names a bit.
• Ryan: default checkout and order pane visibility to the pane settings instead of TRUE; previously did not accommodate panes that defaulted to disabled.
• 442204 by Island Usurper: Change theme_uc_price() to use a span (again), and tweak other uses of uc_price() to use the 'themed' revision as appropriate.
• 442204 by edegro: Fix XHTML validation errors in cart block and product images.
• 437090 by Island Usurper: Prevent further processing of UPS response after a 'Hard' or 'HardError' response.
• 10499 by Lyle: Remove new user passwords from order data.
• 445050 by Island Usurper: Let product kits be saved correctly outside of form contexts.
• 447306 by Taran2l: Load attribute labels for product classes.
• 394428 by cha0s: Leave store logo token blank if there is no logo set.
• 440806 by Lyle: fix to only apply input format to invoice e-mails using textareas, not invoice templates.
• 445596 by jflesher, Ryan: fixing various undefined or improperly named variables.
• 445596 by Island Usurper: Fix uninitialized variables.
• Removed the Recurring Fees module from core and placed it in contrib space at http://drupal.org/project/uc_recurring.