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/Monolog/Formatter/LogglyFormatter.php

@@ -0,0 +1,45 @@
+<?php declare(strict_types=1);
+
+/*
+ * This file is part of the Monolog package.
+ *
+ * (c) Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Monolog\Formatter;
+
+/**
+ * Encodes message information into JSON in a format compatible with Loggly.
+ *
+ * @author Adam Pancutt <adam@pancutt.com>
+ */
+class LogglyFormatter extends JsonFormatter
+{
+    /**
+     * Overrides the default batch mode to new lines for compatibility with the
+     * Loggly bulk API.
+     */
+    public function __construct(int $batchMode = self::BATCH_MODE_NEWLINES, bool $appendNewline = false)
+    {
+        parent::__construct($batchMode, $appendNewline);
+    }
+
+    /**
+     * Appends the 'timestamp' parameter for indexing by Loggly.
+     *
+     * @see https://www.loggly.com/docs/automated-parsing/#json
+     * @see \Monolog\Formatter\JsonFormatter::format()
+     */
+    public function format(array $record): string
+    {
+        if (isset($record["datetime"]) && ($record["datetime"] instanceof \DateTimeInterface)) {
+            $record["timestamp"] = $record["datetime"]->format("Y-m-d\TH:i:s.uO");
+            unset($record["datetime"]);
+        }
+
+        return parent::format($record);
+    }
+}