version 4.0.1

git-svn-id: https://plugins.svn.wordpress.org/social-master/trunk@801974 b8457f37-d9ea-0310-8a92-e5e31aec5664
readme.txt typo

git-svn-id: https://plugins.svn.wordpress.org/social-master/trunk@801979 b8457f37-d9ea-0310-8a92-e5e31aec5664