* fix storing author in FilterController
* change filter list state and url
* set access token in comment test to avoid github
  lib errors while testing
* add ‘use strict’
* ignore code coverage for ‘WelcomeController’
Add tests for:

* RootController
* LoginController
* define menu directive controller as app controller
  instead inline for better testability
* code format
* add menu directive controller test
* add formatted-date directive test for custom formats
* add menu directive test