woocommerce 2.1.1 compatible

git-svn-id: https://plugins.svn.wordpress.org/authorizenet-payment-gateway-for-woocommerce/trunk@856831 b8457f37-d9ea-0310-8a92-e5e31aec5664
woocommerce 2.1.1 compatible

git-svn-id: https://plugins.svn.wordpress.org/authorizenet-payment-gateway-for-woocommerce/trunk@856835 b8457f37-d9ea-0310-8a92-e5e31aec5664
woocommerce 2.1.1 compatible

git-svn-id: https://plugins.svn.wordpress.org/authorizenet-payment-gateway-for-woocommerce/trunk@856837 b8457f37-d9ea-0310-8a92-e5e31aec5664