changelog updated

git-svn-id: https://plugins.svn.wordpress.org/documentation/trunk@972325 b8457f37-d9ea-0310-8a92-e5e31aec5664
tagged 1.3.0

git-svn-id: https://plugins.svn.wordpress.org/documentation/trunk@972327 b8457f37-d9ea-0310-8a92-e5e31aec5664