Tag 6.7.1 release

git-svn-id: https://plugins.svn.wordpress.org/e-mailit/trunk@903023 b8457f37-d9ea-0310-8a92-e5e31aec5664
Tag 6.7.1 release

git-svn-id: https://plugins.svn.wordpress.org/e-mailit/trunk@903025 b8457f37-d9ea-0310-8a92-e5e31aec5664