Colorize user names on promotion report

app/views/reports/user_promotions.html.erb

@@ -20,7 +20,7 @@
           <% @report.users.each do |user| %>
             <% if user.confidence_interval_for(5) > 0 %>
               <tr>
-                <td><%= link_to user.name, user_path(user.user) %></td>
+                <td><%= link_to_user user.user %></td>
                 <td data-sort-value="<%= user.level %>"><%= user.level_string %></td>
                 <td><%= user.post_upload_count %></td>
                 <td data-sort-value="<%= user.created_at.to_formatted_s(:db) %>"><%= time_ago_in_words user.created_at %></td>