Update builder interface

git-svn-id: https://plugins.svn.wordpress.org/bon-toolkit/trunk@781019 b8457f37-d9ea-0310-8a92-e5e31aec5664
Update Readme

git-svn-id: https://plugins.svn.wordpress.org/bon-toolkit/trunk@781020 b8457f37-d9ea-0310-8a92-e5e31aec5664