deprecated plugin

git-svn-id: https://plugins.svn.wordpress.org/social-popup/trunk@949210 b8457f37-d9ea-0310-8a92-e5e31aec5664
deprecated plugin

git-svn-id: https://plugins.svn.wordpress.org/social-popup/trunk@949211 b8457f37-d9ea-0310-8a92-e5e31aec5664
deprecated readme

git-svn-id: https://plugins.svn.wordpress.org/social-popup/trunk@949215 b8457f37-d9ea-0310-8a92-e5e31aec5664