Simply publish and administrate polls within your Symfony2 application.
1 - install bundle via packagist
2 - install dependencies : run composer update
3 - install database : run php app/console doctrine:schema:update --force
4 - import routes (they are defined in Annotation) in your routing.yml
app:
resource: "@NkgPollBundle/Controller/"
type: annotation
5 - add this entity manager to your config.yml :
NkgPollBundle: ~
Nkg\PollBundle\Services