Add stub for related messages

html/translate.html

@@ -148,6 +148,17 @@
 </table>
 </form>
 
+<h2>{% trans "Translation context" %}</h2>
+
+<div class="tabs">
+    <ul>
+        <li><a href="#tab-nearby">{% trans "Nearby messages" %}</a></li>
+        <li><a href="/js/similar/{{ unit.id }}/">{% trans "Similar messages" %}</a></li>
+    </ul>
+    <div id="tab-nearby">
+    </div>
+</div>
+
 {% include "translation_info.html" %}
 
 {% endblock %}

media/js/loader.js

@@ -167,5 +167,12 @@ $(function() {
         });
 
     });
+    $("div.tabs").tabs({
+        ajaxOptions: {
+            error: function(xhr, status, index, anchor) {
+                $(anchor.hash).html(gettext("AJAX request to load this content has failed!"));
+            }
+        }
+    });
 
 });