work on post views

app/views/users/show.html.erb

@@ -1,11 +1,14 @@
-<h1><%= @user.name %></h1>
-
 <nav>
   <ul>
     <li><%= link_to "Settings", edit_user_path(@user) %></li>
+    <li><%= link_to "Log out", session_path(0), :method => :delete %></li>
   </ul>
 </nav>
 
+<% content_for(:page_title) do %>
+  users/<%= @user.name %>
+<% end %>
+
 <% content_for(:page_header) do %>
   / <%= @user.name %>
-<% end %>
+<% end %>