anchor.diff:                 (<:script :type "text/javascript"
                            :src *scrumelo-jsxtransformer-js-location*))
          (<:body
  -        (<:a :href "/logout" "Logout") " "
  -        (hunchentoot:session-value :username)
  +        (<:div :class "navbar navbar-static-top navbar-inverse"
  +               (<:div :class "navbar-inner"
  +                      (<:div :class "container"
  +                             (<:a :class "brand" "scrumli")
  +                             (<:div :class "pull-right"
  +                                    (<:span :class "navbar-text"
  +                                            (hunchentoot:session-value
  +                                             :username))
  +                                    (<:ul :class "nav pull-right"
  +                                          (<:li :class "divider-vertical")
  +                                          (<:li (<:a :href "/logout"
  +                                                     "Logout")))))))
           (<:div :class "container"
                  (<:h1 "Backlog")
                  (<:div :id "content")
  
positive.code:   (if (not (logged-in-p))
        (<:html :lang "en"
                (<:head (<:meta :charset "utf-8")
                        (<:title "Login")
                        (<:script :src "https://login.persona.org/include.js")
                        (<:script :src "/js/login.js"))
                (<:body
                 (<:form :id "login-form" :method "POST" :action ""
                         (<:input :id "assertion-field" :type "hidden"
                                  :name "assertion" :value ""))
                 (<:p (<:a :href "javascript:login()" "Login"))))
        (redirect 'main)))
  
  (define-route logout-page ("logout")
  
negative.code: (defun logged-in-p ()
    (hunchentoot:session-value :username))
  
  (defun page-title (title)
    (<:title (concatenate 'string title " | scrumli")))
  
  (define-route main ("")
    (if (logged-in-p)
        (<:html
         (<:head (page-title "Backlog")
                 (<:link :href *scrumelo-bootstrap-css-location*
                         :rel "stylesheet" :type "text/css")
                 (<:link :href *scrumelo-font-awesome-css-location*
  