Added menu to WordPress backend to show statistics

git-svn-id: https://plugins.svn.wordpress.org/newsletter-signup/trunk@933396 b8457f37-d9ea-0310-8a92-e5e31aec5664
Changed version numer

git-svn-id: https://plugins.svn.wordpress.org/newsletter-signup/trunk@933402 b8457f37-d9ea-0310-8a92-e5e31aec5664