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
pagseguro first commit
adding more tests and raising errors on pagseguro data validation erros happen
removing unecessary comment
improving notification tests
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.
Waiting payment should also be
using URI.join instead of string interpolation
using default return class
Bump sage_pay to v3.00
Merge pull request #1132 from Shopify/bump_sage_pay

Bump Sage Pay to v3.00
simplying phone number format tests
BridgePay: Use Return as TransType for refunds

Advice from BridgePay is to use Return rather than Reversal for refunds.
Also not sending Force=true when not a Sale to avoid possible side
effects.

Closes #1134.
Get proper ref from auth for refund
Handle empty responses from paymill