anchor.diff:  
               <% if availableModels.include? "Excursion" and availableServices.include? "ARS" and !current_subject.role?("PrivateStudent") %>
                 <!-- divider bar -->
  -              <li class="divider"></li>
  -
  -              <li class="settings-menu">
  +              <!--<li class="divider"></li>-->
  +
  +              <!--<li class="settings-menu">
                   <%= link_to quiz_sessions_path do %>
                     <i class="fa fa-check-square"></i>
                     <%= t('quiz.live') %>
                   <% end %>
  -              </li>
  +              </li>-->
               <%end%>
   
                     <%if (availableModels.include? "Course") && current_subject.courses.length>0 %>
  
positive.code: 
                <%= truncate_name(current_subject.name, length: 15) %>
                <span class="caret"></span>
    
            </a>
            <ul class="dropdown-menu dropdown-menu-right" role="menu">
  
  
negative.code:             <% end %>
  
              <!--settings-->
              <!--<li class="settings-menu">
                <%= link_to activities_path do %>
                  <i class='fa fa-globe'></i>
                  <%= t('activity.other') %>
                <% end %>
              </li>-->
  
              <!-- if admin -->
              <%if isAdmin? %>
  