update attachments

git-svn-id: https://plugins.svn.wordpress.org/sermon-manager-for-wordpress/trunk@757735 b8457f37-d9ea-0310-8a92-e5e31aec5664
1.7.4 release


git-svn-id: https://plugins.svn.wordpress.org/sermon-manager-for-wordpress/trunk@757738 b8457f37-d9ea-0310-8a92-e5e31aec5664