screenshots changes

git-svn-id: https://plugins.svn.wordpress.org/coupon-pop-for-wp/trunk@884586 b8457f37-d9ea-0310-8a92-e5e31aec5664
tagging

git-svn-id: https://plugins.svn.wordpress.org/coupon-pop-for-wp/trunk@884588 b8457f37-d9ea-0310-8a92-e5e31aec5664