message: fixing sub-app example
diff: @@ -4,7 +4,7 @@ var socketio = require('feathers-socketio');
  var hooks = require('feathers-hooks');
  var memory = require('feathers-memory');
  var bodyParser = require('body-parser');
  -var authentication = require('../../lib/index').default;
  +var authentication = require('../../lib/index');
  var authHooks = require('../../lib/index').hooks;
  var app = feathers()
  