* Upgrade Django to 3.0 and other dependencies to recent versions
* Fix otp version contsraint
* Remove six dependency
* Resolve some warnings
* Fix failing tests
* Update django-countries
* Resolve all RemovedInDjango31Warnings in test suite
* Run isort
* Fix import
* Update PostgreSQL version on travis
* Optional MOTO-Flagging for Reseller Scheme-TXs
* Update src/pretix/plugins/stripe/payment.py
Co-Authored-By: Raphael Michel <michel@rami.io>
* Update src/pretix/plugins/stripe/payment.py
Co-Authored-By: Raphael Michel <michel@rami.io>
* Manually rebase again...
* Fix a single whitespace for style...
Co-authored-by: Raphael Michel <mail@raphaelmichel.de>
* Add more Stripe Payment Methods, simplify forms
* Revert accidential commit of boxoffice control renderer...
* Use existing QR-Code encoding in presale
* Add data shredders for PII
* First working shredder
* Add more shredders
* Add new shredders and download confirmation
* tmp
* PayPal, Stripe, banktransfer
* Add icon to logs
* Untested payment log shredders
* Add waiting list shredder
* First tests
* Add tests for shredders
* Improve templats, link to shredder
* Test payment info shredders
* More tests
* Documentation
* Fix enabled flag in payment provider overview
* Fix minor issues