Add login/logout button.

biscuit/core/menus.py

+from django.urls import reverse
+
+from menu import Menu, MenuItem
+
+Menu.add_item('main', MenuItem('Login',
+                               reverse('login'),
+                               check=lambda request: request.user.is_anonymous))
+
+Menu.add_item('main', MenuItem('Logout',
+                               reverse('logout'),
+                               check=lambda request: request.user.is_authenticated))

biscuit/core/settings.py

@@ -112,5 +112,4 @@ STATIC_URL = '/static/'
 
 AUTH_USER_MODEL = 'core.Person'
 
-MENU_HIDE_EMPTY = True
 MENU_SELECT_PARENTS = True