The user panel is derived from https://github.com/playfire/django-debug-toolbar-user-panel. The user panel allows for quick swapping between users. This version has been modified to disable the panel unless the user logs in initially with a superuser.
INSTALLED_APPS = ( ... 'fusionbox.panels.user_panel', ... )
DEBUG_TOOLBAR_PANELS = ( ... 'fusionbox.panels.user_panel.panels.UserPanel', ... )
fusionbox.panels.user_panel.urlssomewhere in your url conf:
urlpatterns = patterns('', ... url(r'', include('fusionbox.panels.user_panel.urls')), ... )