Delivery Date showing up in a new column on Orders page.

git-svn-id: https://plugins.svn.wordpress.org/order-delivery-date-for-woocommerce/trunk@1024473 b8457f37-d9ea-0310-8a92-e5e31aec5664
Changed readme.txt.

git-svn-id: https://plugins.svn.wordpress.org/order-delivery-date-for-woocommerce/trunk@1024477 b8457f37-d9ea-0310-8a92-e5e31aec5664
Changed readme.txt

git-svn-id: https://plugins.svn.wordpress.org/order-delivery-date-for-woocommerce/trunk@1024479 b8457f37-d9ea-0310-8a92-e5e31aec5664