Renamed the Plugin's Title

git-svn-id: https://plugins.svn.wordpress.org/hs-custom-admin-themes/trunk@987974 b8457f37-d9ea-0310-8a92-e5e31aec5664
Changed the plugin's description !

git-svn-id: https://plugins.svn.wordpress.org/hs-custom-admin-themes/trunk@987981 b8457f37-d9ea-0310-8a92-e5e31aec5664