added changelog

git-svn-id: https://plugins.svn.wordpress.org/clickmeter-link-shortener-and-analytics/trunk@977115 b8457f37-d9ea-0310-8a92-e5e31aec5664
added changelog


git-svn-id: https://plugins.svn.wordpress.org/clickmeter-link-shortener-and-analytics/trunk@977117 b8457f37-d9ea-0310-8a92-e5e31aec5664