WP 3.6 compatible

git-svn-id: https://plugins.svn.wordpress.org/affiliates-woocommerce-light/trunk@750629 b8457f37-d9ea-0310-8a92-e5e31aec5664
tagged 1.0.6

git-svn-id: https://plugins.svn.wordpress.org/affiliates-woocommerce-light/trunk@750631 b8457f37-d9ea-0310-8a92-e5e31aec5664