Make sure customer cookie value is url decoded prior to use#1787

JeffPyeBrook wants to merge 3 commits intowp-e-commerce:masterwp-e-commerce/WP-e-Commerce:masterfrom

JeffPyeBrook:pr-1786-cookie-url-decodeJeffPyeBrook/WP-e-Commerce:pr-1786-cookie-url-decodeCopy head branch name to clipboard