Version 3.4.2

git-svn-id: https://plugins.svn.wordpress.org/newsletter/trunk@789522 b8457f37-d9ea-0310-8a92-e5e31aec5664
Version 3.4.3

git-svn-id: https://plugins.svn.wordpress.org/newsletter/trunk@794588 b8457f37-d9ea-0310-8a92-e5e31aec5664