only show menu if user signed in

app/views/layouts/application.html.haml

@@ -22,6 +22,7 @@
           %a{class:"navbar-brand", href:"/"}
           = image_tag 'velo_logo.png'
 
+        - if user_signed_in?
           /[Collect the nav links, forms, and other content for toggling]
           %div{class: "collapse navbar-collapse", id:"bs-example-navbar-collapse-1"}
             %ul{class: "nav navbar-nav"}
@@ -34,7 +35,6 @@
               %li
                 %a{href: bike_path(@bike)} View Your Bike
             %ul{class: "nav navbar-nav navbar-right"}
-          - if user_signed_in?
               %li
                 %input{id: "index_logout", value: "Logout", "data-url" => destroy_user_session_path }
 
@@ -43,6 +43,7 @@
         %p{:class => 'notice'}= flash[:notice]
       - if flash[:alert]
         %p{:class => 'alert'}= flash[:alert]
+      = yield
 
     %footer
       %p © BikeShed #{Time.now.year}