updates progress bar accuracy

The progress bar now accounts for live coders that have opted for
"finish later"

Address part of issue #63

app/views/recruiter/index.html.erb

@@ -11,7 +11,9 @@
       <th>Test ID</th>
       <th>Email</th>
       <th>Experience</th>
-      <th>Status</th>
+      <th>Progress</th>
+      <th>Completed</th>
+      <th>Reminded</th>
     </tr>
 
     <% @candidates.each do |candidate| %>
@@ -21,6 +23,8 @@
         <td><%= mail_to(candidate.email) %></td>
         <td><%= candidate.experience %> years</td>
         <td><%= candidate.status %></td>
+        <td><%= candidate.completed ? "Submitted" : "" %></td>
+        <td><%= candidate.reminded ? "Yes" : "" %></td>
       </tr>
     <% end %>
   </table>