microdata for personas + validation fixes (bug 563344 & bug 565830)

apps/addons/templates/addons/personas_detail.html

@@ -27,7 +27,10 @@
 
           {{ persona_preview(persona, linked=False) }}
 
-          <table summary="{{ _('Add-on Information') }}">
+          <table itemscope itemtype="http://data-vocabulary.org/Review-aggregate">
+            {% with addon_name='<span itemprop="itemreviewed">{0}</span>'|f(addon.name) %}
+              <caption>{{ _('Add-on Information for {0}')|f(addon_name)|safe }}</caption>
+            {% endwith %}
             <tbody>
               <tr>
                 <th>{{ _('Updated') }}</th>
@@ -40,7 +43,7 @@
                 <th>{{ _('Artist') }}</th>
                 <td>{{ users_list(addon.listed_authors) or
                   persona.display_username }}</td>
-              </th>
+              </tr>
               <tr>
                 <th>{{ _('Rating', 'advanced_search_form_rating') }}</th>
                 <td>{{ addon|reviews_link }}</td>

media/css/main-mozilla.css

@@ -1013,6 +1013,7 @@ h4.author a {
     clear: right;
 }
 
+#persona-summary table caption,
 #addon-summary table caption {
     position: absolute;
     top: -1000px;