Make user markers display correctly

Instead of putting the data on a bogus <td> element that will be deleted
by the browser, put it on the <div> wrapper instead.

app/views/user/_contact.html.erb

@@ -1,4 +1,3 @@
-<div class='contact-activity clearfix'>
 <%
    user_data = {
      :lon => contact.home_lon,
@@ -7,9 +6,8 @@
      :description => render(:partial => "popup", :object => contact, :locals => {:type => type})
    }
 %>
-  <%= content_tag "td", :rowspan => 3, :data => {:user => user_data} do %>
+<%= content_tag :div, :class => "contact-activity clearfix", :data => {:user => user_data} do %>
   <%= user_thumbnail contact %>
-  <% end %>
   <div class='activity-details'>
     <p class='deemphasize'>
       <%= link_to h(contact.display_name), :controller => 'user', :action => 'view',  :display_name => contact.display_name %>
@@ -47,4 +45,4 @@
       </li>
     </ul>
   </div>
-</div>
+<% end %>