calefaction/app/views/shared/_header.html.erb

<header>
  <%= link_to(root_url, id: 'home-link') do %>
    <%= corp_logo_tag %>
    <span id="corp-name">
      <%= AdminSetting.get(:corp_name) %>
    </span>
  <% end %>
  <span id="user-links">
    <%= link_to 'Signup', controller: 'users', action: 'signup' %>
    &bull;
    <%= link_to 'Login', controller: 'users', action: 'login' %>
    &bull;
    <%= link_to 'Admin', controller: 'admin', action: 'index' %>
  </span>
</header>
<% flash.each do |name, msg| %>
  <div class="flash">FLASH: <%= name %>: <%= msg %></div>
<% end %>