anchor.diff:                <%= sub.status %>
               </td>
               <td>
  +              <% grade = sub.submission_gradings.last %>
  +              <% if grade %>
  +                  <%= grade.total_grade %> / <%= sub.get_asm.max_grade %>
  +              <% end %>
  +            </td>
  +            <td>
                 <%= link_to "Review", sub.get_path,
                             class: sub.graded? ? "btn btn-primary" : "btn" %>
               </td>
  
positive.code:         <th width="20%">Student</th>
      <% end %>
      <th>Mission</th>
      <th width="20%">Submitted at </th>
  
      <th width="15%">
        <% if can? :manage, SubmissionGrading %>
  
negative.code:       <% else %>
            Status
        <% end %>
      </th>
      <th>
        Grade
      </th>
      <th width="10%">Action</th>
    </tr>
  