extract a library from the bundle

[liuggio]

Would be great using this as lib

[eux]

What part would you suggest to extract in the lib? the annotation seems to be tightly coupled with symfony form interface.

[simodima]

It could be possible to decouple the lib from the symfony/framework-bundle.

IMHO an easy way to create the Symfony\Component\Form\FormFactory should be provided, as you can see the FormFactory has a complex tree of dependecies https://github.com/symfony/FrameworkBundle/blob/master/Resources/config/form.xml