support twig templates.
fix render template action class.
[templates] add twig paths, reuse layout from core, add tests.
Merge pull request #141 from formapro-forks/templates

[WIP] support twig templates.
[action] deprecate get http query action. one from bridge will be used.
Merge pull request #142 from formapro-forks/http-request

[action] deprecate get http query action. one from bridge will be used.
Merge branch '0.9'
[request] remove previosly deprecated reuqests.
update UPGRADE.md
Merge pull request #143 from formapro-forks/http-reqeusts-remove-deprecated

[request] remove previosly deprecated reuqests.
[stripe] addd stripe js payment factory and services.
[stripe] add docs.
[stripe] add checkout factory.
[stripe] add stripe keywords to composer.json
[stripe] add example of stripe checkout.
[stripe] add obtain token and create charte actions.
[twig] use helper method from twig factory to guess views path.
[twig] workaround the bug in twig bundle.
[stripe] add tests for payment factories.
Merge pull request #144 from formapro-forks/stripe-integration

[stripe] addd stripe js payment factory and services.