deleting old tag

git-svn-id: https://plugins.svn.wordpress.org/newsletter-sign-up/trunk@1001706 b8457f37-d9ea-0310-8a92-e5e31aec5664
readme update

git-svn-id: https://plugins.svn.wordpress.org/newsletter-sign-up/trunk@1001708 b8457f37-d9ea-0310-8a92-e5e31aec5664
another readme update, attempt to remove top margin from blockquote header

git-svn-id: https://plugins.svn.wordpress.org/newsletter-sign-up/trunk@1001709 b8457f37-d9ea-0310-8a92-e5e31aec5664