update Description

git-svn-id: https://plugins.svn.wordpress.org/easy-media-gallery/trunk@973381 b8457f37-d9ea-0310-8a92-e5e31aec5664
Restore missing tags after commit

git-svn-id: https://plugins.svn.wordpress.org/easy-media-gallery/trunk@973382 b8457f37-d9ea-0310-8a92-e5e31aec5664