* payments api: cancelSubscription
* some more tests for amazon payments
* promisifying amazon payments
* somehow payment stub is not working
* cleaning up tests
* renaming tests in api/v3/integration/payments
* improvements
* cleanup, lint
* fixes as per comments
* moment.zone() is back in.
* basic controller for stripe payments
* authWithUrl is in
* stripe cleanup
* making tests pass
* stripe bug fixes
* 400 error is right
* cleanup of sinon spy for fakeSend
* paypal payments
* lint of paypal
* require -> import