Update 1.1.1 ob_start in hook.

git-svn-id: https://plugins.svn.wordpress.org/woocommerce-ajax-add-to-cart-for-variable-products/trunk@1021399 b8457f37-d9ea-0310-8a92-e5e31aec5664
Tag Update.

git-svn-id: https://plugins.svn.wordpress.org/woocommerce-ajax-add-to-cart-for-variable-products/trunk@1021402 b8457f37-d9ea-0310-8a92-e5e31aec5664