update plugin

git-svn-id: https://plugins.svn.wordpress.org/wp-promo-emails/trunk@1027461 b8457f37-d9ea-0310-8a92-e5e31aec5664
update plugin

git-svn-id: https://plugins.svn.wordpress.org/wp-promo-emails/trunk@1027462 b8457f37-d9ea-0310-8a92-e5e31aec5664
update plugin

git-svn-id: https://plugins.svn.wordpress.org/wp-promo-emails/trunk@1027463 b8457f37-d9ea-0310-8a92-e5e31aec5664