committing 1.5.3 trunk first

git-svn-id: https://plugins.svn.wordpress.org/bbpress-notify-nospam/trunk@882949 b8457f37-d9ea-0310-8a92-e5e31aec5664
grabbing 1.5.3 from trunk

git-svn-id: https://plugins.svn.wordpress.org/bbpress-notify-nospam/branches/1.5@882951 b8457f37-d9ea-0310-8a92-e5e31aec5664