anchor.diff:          <!-- change .id to .role when role is updated from other group -->
           <li class="topmenu active_user">
             
  -          <a href="#"><span class="glyphicon glyphicon-user"></span>  <%= current_user.role.capitalize %>
  +          <a href="#"><center><span class="glyphicon glyphicon-user"></span>  <%= current_user.role.capitalize %></center>
             </a>
             <ul>
             <!-- if else case for different submenues depending on roles -->
  
positive.code:           </ul>
          </li>
          <% else %>
            <li class="no_user topmenu"><a href="/users/new"><span class="glyphicon glyphicon-star"></span> &nbsp SignUp</a></li>
            <li class="no_user topmenu text-success"><a href="/login"><span class="glyphicon glyphicon-log-in"></span> &nbsp LogIn</a></li>
          <% end %>
          
        </ul>
  
negative.code: 	<div class="nav">
        <ul>     
          <li class="topmenu"><a class="active logo" href="/">Home</a></li>
          <li class="topmenu"><a href="/events"><center>Veranstaltungen</center></a>
            <ul>
              <li class="submenu"><a href="">Unterpunkt 1.1</a></li>
              <li class="submenu"><a href="">Unterpunkt 1.2</a></li>
            </ul>
          </li>
          <li class="topmenu"><a href="/users"><center>Users</center></a>
            <ul>
              <li class="submenu"><a href="">Unterpunkt 1.1</a></li>
              <li class="submenu"><a href="">Unterpunkt 1.2</a></li>
            </ul>
          </li>
          <li class="topmenu"><a href="/courses"><center>Courses</center></a>
            <ul>
              <li class="submenu"><a href="">Unterpunkt 1.1</a></li>
              <li class="submenu"><a href="">Unterpunkt 1.2</a></li>
            </ul>
          </li>
          <li class="topmenu"><a href="/blocks"><center>Blocks</center></a>
            <ul>
              <li class="submenu"><a href="">Unterpunkt 1.1</a></li>
              <li class="submenu"><a href="">Unterpunkt 1.2</a></li>
  