'Return a sorted list of all the installed apps that have been
registered in this site.'

def get_app_list(self, request):

    app_dict = self._build_app_dict(request)
    app_list = sorted(app_dict.values(), key=(lambda x: x['name'].lower()))
    for app in app_list:
        app['models'].sort(key=(lambda x: x['name']))
    return app_list
