only render profile dropdown if signed in

app/templates/top.hbs

@@ -56,6 +56,7 @@
           <button class="signing-in button--signingin">Signing In <span class="sync-spinner"><i></i><i></i><i></i></span></button>
         {{/if}}
       </p>
+      {{#if auth.signedIn}}
         <ul class="navigation-nested">
           <li>
             {{#link-to "profile" class="signed-in"}}Accounts{{/link-to}}
@@ -69,6 +70,7 @@
             <a href="/" {{action "signOut" target="auth"}}>Sign Out</a>
           </li>
         </ul>
+      {{/if}}
     </li>
   </ul>
 </div>