Allow the response code to be passed as a shorthand to the `$title` or `$args` parameter of `wp_die()`, for brevity.

See #10551 and #11286
Props nacin


git-svn-id: https://develop.svn.wordpress.org/trunk@30355 602fd350-edb4-49c9-b593-d223f7449a82
Switch to a `403` response code in places where it is more appropriate than a `500` due to permissions errors.

Fixes #10551
Props nacin


git-svn-id: https://develop.svn.wordpress.org/trunk@30356 602fd350-edb4-49c9-b593-d223f7449a82
Add `$user_login` and `$user_data` parameters to the `retrieve_password_message` filter.

Props ivankristianto, dcavins
Fixes #25853


git-svn-id: https://develop.svn.wordpress.org/trunk@30357 602fd350-edb4-49c9-b593-d223f7449a82
Add `$depth` parameter to the `nav_menu_css_class`, `nav_menu_item_id`, and `nav_menu_link_attributes` filters.

Fixes #19064
Props cyclometh, chriscct7, johnbillion


git-svn-id: https://develop.svn.wordpress.org/trunk@30358 602fd350-edb4-49c9-b593-d223f7449a82