Updated Voguepay Woocommerce Payment Gateway to v1.2.0

git-svn-id: https://plugins.svn.wordpress.org/voguepay-woocommerce-payment-gateway/trunk@860950 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated Stable Tag to v1.2.0

git-svn-id: https://plugins.svn.wordpress.org/voguepay-woocommerce-payment-gateway/trunk@860956 b8457f37-d9ea-0310-8a92-e5e31aec5664