phpbb_extension_metadata_manager has wrong docs and too many arguments

	/**

	* Creates the metadata manager

	*

	* @param phpbb_db_driver $db A database connection

	* @param string $extension_manager An instance of the phpbb extension manager

	* @param string $phpbb_root_path Path to the phpbb includes directory.

	* @param string $phpEx php file extension

	*/

	public function __construct($ext_name, phpbb_db_driver $db, phpbb_extension_manager $extension_manager, $phpbb_root_path, $phpEx = '.php', phpbb_template $template, phpbb_config $config)