MRBS 1.12.2 等保2.0二级整改完整提交

包含：登录失败锁定、90天密码有效期、30分钟会话超时、
强制改密、登录审计日志、屏幕水印、企业背景图、
备案信息固定底部、favicon、JS空集合保护、
会话过期体验优化（403 JSON）、display_errors 关闭、
固定 key 根治 Integrity check failed 等全部改动

注意：config.inc.php/.htaccess/.user.ini 含敏感信息，
通过 .gitignore 排除，勿推送到公开仓库。

lib/chillerlan/Settings/SettingsContainerInterface.php

@@ -0,0 +1,89 @@
+<?php
+/**
+ * Interface SettingsContainerInterface
+ *
+ * @created      28.08.2018
+ * @author       Smiley <smiley@chillerlan.net>
+ * @copyright    2018 Smiley
+ * @license      MIT
+ */
+declare(strict_types=1);
+
+namespace chillerlan\Settings;
+
+use JsonSerializable;
+
+/**
+ * a generic container with magic getter and setter
+ */
+interface SettingsContainerInterface extends JsonSerializable{
+
+	/**
+	 * Retrieve the value of $property
+	 *
+	 * @return mixed|null
+	 */
+	public function __get(string $property);
+
+	/**
+	 * Set $property to $value while avoiding private and non-existing properties
+	 *
+	 * @param string $property
+	 * @param mixed  $value
+	 */
+	public function __set(string $property, $value):void;
+
+	/**
+	 * Checks if $property is set (aka. not null), excluding private properties
+	 */
+	public function __isset(string $property):bool;
+
+	/**
+	 * Unsets $property while avoiding private and non-existing properties
+	 */
+	public function __unset(string $property):void;
+
+	/**
+	 * @see \chillerlan\Settings\SettingsContainerInterface::toJSON()
+	 */
+	public function __toString():string;
+
+	/**
+	 * Returns an array representation of the settings object
+	 *
+	 * The values will be run through the magic __get(), which may also call custom getters.
+	 *
+	 * @return array<string, mixed>
+	 */
+	public function toArray():array;
+
+	/**
+	 * Sets properties from a given iterable
+	 *
+	 * The values will be run through the magic __set(), which may also call custom setters.
+	 *
+	 *  @phpstan-param array<string, mixed> $properties
+	 */
+	public function fromIterable(iterable $properties):SettingsContainerInterface;
+
+	/**
+	 * Returns a JSON representation of the settings object
+	 *
+	 * @see \json_encode()
+	 * @see \chillerlan\Settings\SettingsContainerInterface::toArray()
+	 *
+	 * @throws \JsonException
+	 */
+	public function toJSON(?int $jsonOptions = null):string;
+
+	/**
+	 * Sets properties from a given JSON string
+	 *
+	 * @see \chillerlan\Settings\SettingsContainerInterface::fromIterable()
+	 *
+	 * @throws \Exception
+	 * @throws \JsonException
+	 */
+	public function fromJSON(string $json):SettingsContainerInterface;
+
+}