https://docs.djangoproject.com/en/1.11/releases/1.10/#using-user-is-authenticated-and-user-is-anonymous-as-methods
2. Add site configuration overrides to theming/helpers.py 3. Move microsite.get_value from theming/helpers to site_configuration/helpers 4. Move microsite_configuration.microsite.get_value usages to site_configuration.helpers.values