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、登录页JS修复等全部改动

web/ajax/record_activity.php

@@ -0,0 +1,8 @@
+<?php
+declare(strict_types=1);
+namespace MRBS;
+
+// An Ajax function to record user activity on the client side.   (If there is some activity then
+// this will be picked up and used by the appropriate session file).
+
+require '../defaultincludes.inc';