added user notes count to issue

                <a href="{{detail_url}}"><strong>{{issue.title}}</strong></a><br>

            </td>

            <td>

              {% if issue.assignee.name %}

                Assigned to {{issue.assignee.name}}

              {% else %}

                Not yet assigned.

              {% endif %}

              {{issue.user_notes_count}}

            </td>

          </tr>

          <tr>