Add CLAUDE.md documentation and sync WordPress core files
- Add comprehensive CLAUDE.md documentation file with project architecture, development setup, database operations, WordPress CLI usage, file sync procedures, and Mercurial commands
- Update WordPress core files from wordpress/ to wp/ directory
- Sync latest WordPress admin interface, includes, and core functionality
- Update plugins: portfolio plugin with latest BWS framework and fancybox integration
- Maintain custom configuration and theme files
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
<?php
/**
* The User Interface "Skins" for the WordPress File Upgrader
*
* @package WordPress
* @subpackage Upgrader
* @since 2.8.0
* @deprecated 4.7.0
*/
_deprecated_file( basename( __FILE__ ), '4.7.0', 'class-wp-upgrader.php' );
/** WP_Upgrader_Skin class */
require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader-skin.php';
/** Plugin_Upgrader_Skin class */
require_once ABSPATH . 'wp-admin/includes/class-plugin-upgrader-skin.php';
/** Theme_Upgrader_Skin class */
require_once ABSPATH . 'wp-admin/includes/class-theme-upgrader-skin.php';
/** Bulk_Upgrader_Skin class */
require_once ABSPATH . 'wp-admin/includes/class-bulk-upgrader-skin.php';
/** Bulk_Plugin_Upgrader_Skin class */
require_once ABSPATH . 'wp-admin/includes/class-bulk-plugin-upgrader-skin.php';
/** Bulk_Theme_Upgrader_Skin class */
require_once ABSPATH . 'wp-admin/includes/class-bulk-theme-upgrader-skin.php';
/** Plugin_Installer_Skin class */
require_once ABSPATH . 'wp-admin/includes/class-plugin-installer-skin.php';
/** Theme_Installer_Skin class */
require_once ABSPATH . 'wp-admin/includes/class-theme-installer-skin.php';
/** Language_Pack_Upgrader_Skin class */
require_once ABSPATH . 'wp-admin/includes/class-language-pack-upgrader-skin.php';
/** Automatic_Upgrader_Skin class */
require_once ABSPATH . 'wp-admin/includes/class-automatic-upgrader-skin.php';
/** WP_Ajax_Upgrader_Skin class */
require_once ABSPATH . 'wp-admin/includes/class-wp-ajax-upgrader-skin.php';