Update for 4.0 and remove schedule from BETA

git-svn-id: https://plugins.svn.wordpress.org/sitewide-message/trunk@970976 b8457f37-d9ea-0310-8a92-e5e31aec5664
Push Version 0.5

git-svn-id: https://plugins.svn.wordpress.org/sitewide-message/trunk@970978 b8457f37-d9ea-0310-8a92-e5e31aec5664