Fix AVS/CVV response code handling
Relax matching; Update random
Update CHANGELOG
Merge pull request #1119 from Shopify/fix_raven_avscvv

Update Raven CVV/AVS handling
Bump version
Merge pull request #1121 from Shopify/release1429

Release v1.42.9
remove commas followed by 3 digits to remove thousand separators in SagePay
Merge pull request #1123 from Shopify/fix_sagepay_thousand_separator

Fix an issue with thousand separators in SagePay
Add BridgePay gateway

http://www.bridgepaynetwork.com/

BridgePay says that to be able to update a transaction the 'Capture'
TransType should not be used since that locks the record. There may need
to be a nightly process enabled on the backend to process the batch of
transactions for the day.

Closes #1120.
Fix PxPay invalid credential response handling
No assert_raise_with_message in older rails
Rename Transnational to Network Merchants
Merge pull request #1124 from Shopify/fix_pxpay_invalid_creds

Fix PxPay invalid credential response handling
Change Travis notifications to go to payments team
Merge pull request #1125 from Shopify/nmi_rename

Rename Transnational to Network Merchants
BridgePay: Switch method of success detection.

In test the 'Message' field returned APPROVAL for success but in
production it was 'AUTH/TKT  02992G'. It appears that checking the
RespMSG field will be a better choice.

Closes #1128.
Adds preliminary support for Klarna

Still need clarification on some fields and support for cart items
Adds integrations helper support for cart items

Used in Klarna module helper
Skip unimplemented Klarna notification tests for now
Format item tax rates as two-place decimals