Minor tweaks to Mailer UI

UI/Templates/MailerUI/UIxMailViewTemplate.wox

@@ -58,7 +58,7 @@
 
   <div class="msg-body">
     <div class="msg-date sg-md-body-multi">
-      <date data-ng-bind="message.date"><!-- date --></date>
+      <time datetime="message.date" data-ng-bind="message.date"><!-- date --></time>
     </div>
     <div class="mailer_mailcontent"
          data-ng-bind-html="message.$content()"><!-- msg --></div>

UI/WebServerResources/scss/views/MailerUI.scss

@@ -29,6 +29,7 @@
 }
 
 .msg-date {
+  margin-bottom: $mg;
   text-align: right;
 }
 // sg-md title don't fit in message headers