Add logout url for bango
Remove if statement, simplify tests
Use SPA wait-to-finish conditionally (bug 1032316)
Merge pull request #506 from muffinresearch/add-logout-url-for-bango

Add logout url for bango (bug 1033541)
Put bango back as default provider on stage/prod

Regression from
https://github.com/mozilla/webpay/commit/ea1e8a5e46c75a180f5c301f5a0dcf44098ef204#diff-dd105a0d42e09344f9547443a623c831L520
Merge pull request #509 from kumar303/pay-settings

Put bango back as default provider on stage/prod
Merge pull request #508 from muffinresearch/point-to-spartacus-for-wait

Use SPA wait-to-finish if SPA_ENABLED is True (WiP)
Store Persona Email in Solitude (bug 1027275)

- Set email on buyer creation
- Update email on buyer if not set after login
- Update auth views
- Update auth api
- Update tests