Fix incorrect test card numbers for beanstream amex.
Just fixes syntax highlighting in Sublime Text.
Send customer IP to beanstream to be used in fraud management.
Add unit test for sending customer ip to beanstream (See commit 36f08f1)
Merge pull request #577 from Shopify/beanstream-fraud-management

Send customer IP to Beanstream for fraud scoring. Closes #450
Update the CHANGELOG.
Include email in requests to Optimal Payments.
Trim Payment Express description field down to 50 characters to support "pago transactions". Fixes #583.
Bump for release.
Merge remote branch 'upstream/master' into finansbank_gateway