<%# add navigation links to this file %>
<% if user_signed_in? -%>
  <% if current_user.privileged_user? -%>
    <li><%= link_to 'Edit account', edit_user_registration_path %></li>
  <% end -%>
  <li><%= link_to 'Sign out', destroy_user_session_path, method: :delete %></li>
<% else -%>
  <li><%= link_to 'Sign in', new_user_session_path %></li>
  <li><%= link_to 'Sign up', new_user_registration_path %></li>
<% end -%>
<% if user_signed_in? -%>
  <% if current_user.admin? -%>
    <li><%= link_to 'Users', users_path %></li>
  <% end -%>
  <% if current_user.admin? -%>
    <li><%= link_to 'Settings', setting_path(Setting.first) %></li>
  <% end -%>
<% end -%>

<%# add navigation links to this file %>
<% if user_signed_in? -%>
  <% if current_user.privileged_user? -%>
    <li><%= link_to 'Edit account', edit_user_registration_path %></li>
  <% end -%>
  <li><%= link_to 'Sign out', destroy_user_session_path, method: :delete %></li>
<% else -%>
  <li><%= link_to 'Sign in', new_user_session_path %></li>
  <li><%= link_to 'Sign up', new_user_registration_path %></li>
<% end -%>
<% if user_signed_in? -%>
  <% if current_user.admin? -%>
    <li><%= link_to 'Users', users_path %></li>
  <% end -%>
  <% if current_user.admin? || current_user.presidency? -%>
    <li><%= link_to 'Settings', setting_path(Setting.first) %></li>
  <% end -%>
<% end -%>

Allow the presidency to modify settings.
Allow the presidency to modify settings.