securitynotice system -> updatenotice system

views/includes/messages.pug

@@ -1,8 +1,6 @@
 - successes = req.flash('success');
 - errors = req.flash('error');
 
-p.has-text-danger.is-size-4.has-text-weight-bold#securityNotice= _CC.securityNotice
-
 if successes
   each success in successes
     p.has-text-success= (success.toString().startsWith('[object ') ? JSON.stringify(success) : success.toString())

views/layout.pug

@@ -40,4 +40,13 @@ html(lang='en')
               else if title !== false
                 h1 #{config.siteTitle}
             include includes/messages.pug
-            block content
+            block content
+            if req.user && req.user.admin && _CC.updateNotice
+              .columns
+                .column
+                .column.is-narrow
+                  .box
+                    span.has-text-danger.is-size-4.has-text-weight-bold Christmas Community is out of date. There may be new features or bug fixes. Consider updating! :)
+                    br
+                    span (you can turn this off with <code>UPDATE_CHECK=false</code>)
+                    span.has-text-info(style='float: right;') This message is only visible to admins