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/upgrade/12/pgsql.sql

@@ -0,0 +1,10 @@
+--
+-- Adds a 'custom_html' field to the area and room tables.   Designed for
+-- allowing, for example, an embedded Google Maps link to be displayed, but
+-- could also contain any custom HTML.
+
+ALTER TABLE %DB_TBL_PREFIX%area 
+ADD COLUMN custom_html            text;
+
+ALTER TABLE %DB_TBL_PREFIX%room 
+ADD COLUMN custom_html            text;