* Fix caching issues in SASS compilation
* Allow to set a custom page background color
* Allow to disable round corners
* Support larger header pictures
* Allow to show title despite header
* Move language picker
* FIx widget styles
* PoC for ItemMetaProperties/Values
* Missing is_valid
* ItemMetaProperties/Values in editable via API, cloneable
* Tests
* Add Docs
* Fix import order
* Fix another import sorting...
* Typeahead for ItemMetaValues
* Test for editing event-objects
* Fix typeahead permission checks
* Further access restriction
Co-authored-by: Raphael Michel <mail@raphaelmichel.de>
* Send signal when orderposition is checked in
* Add position_checked_in signal to documentation
* Rename signal to checkin_created
* Update general.rst
* Update signals.py
Co-authored-by: Raphael Michel <mail@raphaelmichel.de>
* Data model changes
* Fix test failures
* Adjustments
* Some tests and API support
* Check when extending orders
* Make things more deterministic, fix style
* Do not apply negative discounts
* Update price_before_voucher on item/subevent changes
* Add tests for price_before_voucher in combination with free price
* Fix InvoiceAddress.DoesNotExist
* Remove check password for event deletion, instead require recent login.
* Reauthenticate for backends using authentication_url.
* Require recent login for data shredder and prompt slug instead of password.
* Fix tests for recent login required on event delete and data shred.
* Pull request remarks for recent login required for event delete and data shred.
* Remove unused imported check_password.
* Allow to import orders
* seats, subevents
* Plugin support
* Add docs
* Warn about lack of quota handling
* Control interface test
* Test skeleton
* First tests for the impotr columns
* Add tests for all columns
* Fix question validation
