message: Update change log for 0.2.1
diff: @@ -112,6 +112,10 @@ app.io.on('connect', function(){
  ## Changelog
  +### 0.2.1
  +
  +- Fix customization of the `tokenEndpoint` ([#57](https://github.com/feathersjs/feathers-authentication/issues/57))
  +
  ### 0.2.0
  - Migrating existing code to use services
  