v3.0.6 released

git-svn-id: https://plugins.svn.wordpress.org/social-locker/trunk@831249 b8457f37-d9ea-0310-8a92-e5e31aec5664
readme.text updated

git-svn-id: https://plugins.svn.wordpress.org/social-locker/trunk@831251 b8457f37-d9ea-0310-8a92-e5e31aec5664