anchor.diff:  
     <div class='span2'>
       <h3>Changes</h3>
  -    <ul>
  +    <ul class='unstyled'>
         <% @commits.each do |commit| %>
           <li>
             <%= link_to DateTime.parse(commit['commit']['committer']['date']).to_s(:short),
  
positive.code:         </li>
        <% end %>
      </ul>
  
    </div>
    
  
negative.code:       <%= @metadata['description']%>
      </p>
  
      <p>
        Format: <span class='label label-success'><%= @format %></label>
      </p>
  