[doc] add theila plans about integration with payum
[doc] fix typo in code example.
[doc][klrana] simplify prepare capture example.
Merge remote-tracking branch 'payum/0.9'
use twig as a templating engine.
add tests, move twig render template action to bridge.
[klarna] add test for template.
Merge pull request #148 from formapro-forks/templates

[WIP] use twig as a templating engine.
allow use of custom layout.
init version of stripe checkout
move to stripe root dir, start working on stripe.js
remove todo comment.