<% if user_signed_in? %>
  <% if current_user.admin %>
    <li>Suggestions</li>
  <% end %>
  <li>
    <%= link_to('Logout', destroy_user_session_path, :method => :delete) %>
  </li>
  <li>
    <%= link_to('Profile', edit_user_registration_path) %>
  </li>
<% else %>
  <li>
    <%= link_to('Login', new_user_session_path)  %>
  </li>
  <li>
    <%= link_to('Register', new_user_registration_path)  %>
  </li>
<% end %>

<% if user_signed_in? %>
  <% if current_user.admin %>
    <li><%= link_to('Suggestions', suggestions_path) %></li>
  <% end %>
  <li>
    <%= link_to('Logout', destroy_user_session_path, :method => :delete) %>
  </li>
  <li>
    <%= link_to('Profile', edit_user_registration_path) %>
  </li>
<% else %>
  <li>
    <%= link_to('Login', new_user_session_path)  %>
  </li>
  <li>
    <%= link_to('Register', new_user_registration_path)  %>
  </li>
<% end %>

Add link to suggestions listing
Add link to suggestions listing
