4.07 - add filter hook and full custom button hook

git-svn-id: https://plugins.svn.wordpress.org/repostus/trunk@865607 b8457f37-d9ea-0310-8a92-e5e31aec5664
more tags

git-svn-id: https://plugins.svn.wordpress.org/repostus/trunk@865814 b8457f37-d9ea-0310-8a92-e5e31aec5664
Typo use ->slug not ->name in example

git-svn-id: https://plugins.svn.wordpress.org/repostus/trunk@865848 b8457f37-d9ea-0310-8a92-e5e31aec5664