update 1.2

git-svn-id: https://plugins.svn.wordpress.org/buddypress-activity-privacy/trunk@824012 b8457f37-d9ea-0310-8a92-e5e31aec5664
update text

git-svn-id: https://plugins.svn.wordpress.org/buddypress-activity-privacy/trunk@824031 b8457f37-d9ea-0310-8a92-e5e31aec5664