add klarna to package keywords
[action] add ability to add action by container tag
Merge pull request #128 from Payum/payum-action-tag

Payum action tag
Release 0.8.5
[factory] add a separate factory for be2bill_onsite payment.
[doc] update be2bill onsite doc.
[be2bill] fix be2bill onsite factory tests.
add be2bill onsite factory to bundle.