anchor.diff:  
           <!-- search -->
           <li class="dropdown"
  -            title="<%= t('nav.label.search') %>"
               id="search-ico">
             <a href="#"
                class="dropdown-toggle"
  +             title="<%= t('nav.label.search') %>"
                data-toggle="dropdown"
                role="button"
                aria-haspopup="true"
  
positive.code:         </li>
  <% end %>
          <li>
            <a class="btn-activity" href="<%= activities_path(format: :json) %>" role="button" data-remote="true">
              <span class="glyphicon glyphicon-equalizer" title="<%= t('nav.label.activities') %>"></span>
              <span class="visible-xs-inline visible-sm-inline"><%= t('nav.label.activities') %></span>
            </a>
          </li>
  
negative.code:       <!-- links -->
        <ul class="nav navbar-nav">
          <li>
            <a title="<%= t('nav.label.projects') %>" href="<%= projects_path %>">
              <span class="glyphicon glyphicon-home"></span>
              <span class="visible-xs-inline visible-sm-inline"><%= t('nav.label.projects') %></span>
            </a>
          </li>
          <% if current_team %>
          <li>
            <a id="protocol-link" title="<%= t('nav.label.protocols') %>" href="<%= protocols_path %>">
              <span class="glyphicon glyphicon-list-alt"></span>
              <span class="visible-xs-inline visible-sm-inline"><%= t('nav.label.protocols') %></span>
            </a>
          </li>
          <li>
            <a id="repositories-link" title="<%= t('nav.label.repositories') %>" href="<%= team_repositories_path(current_team) %>">
              <i class="fa fa-cubes" aria-hidden="true"></i>
              <span class="visible-xs-inline visible-sm-inline"><%= t('nav.label.repositories') %></span>
            </a>
          </li>
          <% else %>
          <li class="disabled">
            <a id="protocol-link" title="<%= t('nav.label.protocols') %>" href="#">
              <span class="glyphicon glyphicon-list-alt"></span>
              <span class="visible-xs-inline visible-sm-inline"><%= t('nav.label.protocols') %></span>
            </a>
          </li>
          <li class="disabled">
            <a id="repositories-link" title="<%= t('nav.label.repositories') %>" href="#">
              <span class="fa fa-cubes"></span>
              <span class="visible-xs-inline visible-sm-inline"><%= t('nav.label.repositories') %></span>
            </a>
          </li>
  