Prepare 1.2.20

git-svn-id: https://plugins.svn.wordpress.org/easy-media-gallery/trunk@781585 b8457f37-d9ea-0310-8a92-e5e31aec5664
Added one new file

git-svn-id: https://plugins.svn.wordpress.org/easy-media-gallery/trunk@781586 b8457f37-d9ea-0310-8a92-e5e31aec5664