Product shortcode and price fix

git-svn-id: https://plugins.svn.wordpress.org/dukagate/trunk@836213 b8457f37-d9ea-0310-8a92-e5e31aec5664
Tagging version 3.5.2

git-svn-id: https://plugins.svn.wordpress.org/dukagate/trunk@836215 b8457f37-d9ea-0310-8a92-e5e31aec5664