* Remove support for Symfony version older than 4.4
* Fix deprecation for configuration tree builder
* Remove legacy form types
* Add changelog
* Update return type-hint for commands
* Remove DefinitionDecorator usage
* Remove security.context
* Drop ListenerInterface usage
* Replace GetResponseEvent by RequestEvent
* Replace getRoles() by getRoleNames()
* Update travis configuration
* Use EventDispatcherInterface instead of EventDispatcher
* Remove container from AuthorizeController
* Session can be null in AuthorizeController
* Remove BaseCommand and inject dependencies for commands
* Fix comment
* Fix tests for commands
* Fix tests for AuthorizeController