_header.html.erb #1

<header class="navbar navbar-fixed-top navbar-inverse">
  <div class="container">
    <ul class="nav pull-right">
      <% if signed_in? %>
        <li>
          <%= link_to "Sign out", signout_path, method: :delete %>
        </li>
      <% else %>
        <li>
	  <%= link_to "Sign in", signin_path %>
	</li>
      <% end %>
    </ul>
  </div>
</header>