Added version 2.1.2

git-svn-id: https://plugins.svn.wordpress.org/woocommerce-quickpay/trunk@853474 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated README

git-svn-id: https://plugins.svn.wordpress.org/woocommerce-quickpay/trunk@853475 b8457f37-d9ea-0310-8a92-e5e31aec5664