Field formatting for custom post type metadata

• _bw_field_validation_required() – Validate a #required field as having a value
• _bw_form_functions() – Return the array of functions for displaying particular fields in a form
• _bw_form_required_field() – Set the field to required if that’s the case.
• _bw_process_new_post_form_oik() – Process a new post form submission
• _bw_show_new_post_fields() – Display the required fields in the form
• _bw_show_new_post_form_oik() – Show the “oik” new post form
• _bw_theme_field_default_bw_header_image() – Default function to display a field of name “bw_header_image”
• _bw_theme_field_default() – Default theming of metadata based on field name ( $key ) or content? ( $value )
• _bw_validate_functions() – Return the array of functions for validating particular fields in a form
• bw_add_new_fields_defaults() – Return all the fields to be used in an “Add new” form