* [WIP] add date/time question type
* Date/time questions python classes, types and form handling
* use own timepicker
* Fix argument naming
* Add css and js for datetimepickers
* remove not needed str call
* seperate splitdatetime widget template and fix date/time questions
* change date placeholder to dec 31
* do not show seconds in presale time pickers
* improve codestyle
* add new question types to api doc
* add test
* expand test to datetime question
* add new questiontypes to changelog
remove duplicate parens
* remove timezone from time only question answers
* improve codestyle
* Fix date and time formatting in control question overview
* New concept for fee handling
* More usages
* Remove all usages, make all tests pass
* API changes
* Small fixes
* Fix order of invoice lines
* Rebase migration
* Addition of all basics required for microdata
Microdata for event added to the head of the base event html template.
* Fixed flake8 errors & included settings checks
Fixed the flake8 too many blank line errors and changed the date and time section to refer to settings before including the time and/or the date_to.
* Typo in last commit
Fixed typo in last commit
* Fixed bracket mistake and flake8 error
Fixed tab between { and % in template tag. Removed extra lines. Removed unnecessary str() call.
Corrected binary & to [and] operator.
* Added testing for microdata
Testing added to the presale.test_event tests to cover the 4 branches and basic microdata functionality.
* Data model
* little crud
* SubEventItemForm etc
* Drop SubEventItem.active, quota editor
* Fix failing tests
* First frontend stuff
* Addons form stuff
* Quota calculation
* net price display on EventIndex
* Add tests, solve some bugs
* Correct quota selection in more places, consolidate pricing logic
* Fix failing quota tests
* Fix TypeError
* Add tests for checkout
* Fixed a bug in QuotaForm
* Prevent immutable cart if a quota was removed from an item
* Add tests for pricing
* Handle waiting list
* Filter in check-in list
* Fixed import lost in rebase
* Fix waiting list widget
* Voucher management
* Voucher redemption
* Fix broken tests
* Add subevents to OrderChangeManager
* Create a subevent during event creation
* Fix bulk voucher creation
* Introduce subevent.active
* Copy from for subevents
* Show active in list
* ICal download for subevents
* Check start and end of presale
* Failing tests / show cart logic
* Test
* Rebase migrations
* REST API integration of sub-events
* Integrate quota calculation into the traditional quota form
* Make subevent argument to add_position optional
* Log-display foo
* pretixdroid and subevents
* Filter by subevent
* Add more tests
* Some mor tests
* Rebase fixes
* More tests
* Relative dates
* Restrict selection in relative datetime widgets
* Filter subevent list
* Re-label has_subevents
* Rebase fixes, subevents in calendar view
* Performance and caching issues
* Refactor calendar templates
* Permission tests
* Calendar fixes and month selection
* subevent selection
* Rename subevents to dates
* Add tests for calendar views
* New models
* CRUD UI
* UI for adding/removing team members
* Log display for teams
* Fix invitations, move frontend
* Drop old models (incomplete)
* Drop more old stuff
* Drop even more old stuff
* Fix tests
* Fix permission test
* flake8 fix
* Add tests fore the new code
* Rebase migrations
