Merge pull request Payum#29 from steffenbrem/bugfix/notify-action

[BugFix] NotifyAction should use completePurchase instead of fetchTransaction

Merge pull request Payum#28 from steffenbrem/feature/notify-action

Added NotifyAction

Merge pull request Payum#27 from makasim/omnipay-get-data-not-always-…

…array

Omnipay's Response getData method not always returns array.

use ensure sensitive value method.

Allow 1.x versions of core, not only 1.0

Merge pull request Payum#26 from steffenbrem/bugfix/issue-290

[Bug Fix] Add transaction reference to payment details

Merge pull request Payum#26 from steffenbrem/bugfix/issue-290

[Bug Fix] Add transaction reference to payment details

allow 1.x version.

unset not releveant actions in direct\offsite factories.

add previous exception.