* MKBDIGI-185: Added update/create to events
* MKBDIGI-185: Added validation for 'slug, 'live' on event endpoint
* MKBDIGI-185: Code formatting
* MKBDIGI-185: Added 'plugins' to 'event' endpoint
* MKBDIGI-185: Merge migrations
* MKBDIGI-185: Cleaned up static methods
* EBILL-5: Added delete endpoint for event
* EBILL-5: Merge migrations
* EBILL-5: Fixed imports
* EBILL-5: Changed plugins to only list plugins enabled for the event
* EBILL-5: Added clone event endpoint
* EBILL-5: Removed permissions check API test for events
* EBILL-5: Merged master, updated migrations
* EBILL-5: Updated api permissions check for CRUD on events
* EBILL-5: Removed 'unique_together' constraint on event model
* EBILL-5: Removed call to changed static methods in test
* EBILL-5: Changed Event 'has_paid_things' to a property for consistency
* EBILL-5: Fixed created response code in documentation
* EBILL-6: Documentation fixes
* EBILL-6: Fixed typo
* EBILL-6: Fixed permissions
* EBILL-6: Added note on copying settings to documentation
* EBILL-6: Created model method for deleting sub objects on event before delete
* EBILL-6: Fixed typo
* EBILL-6: Re-added meta_data as read-only
* EBILL-6: Fixed permissions test
* EBILL-6: Added plugins issues check before live. Moved issues property from form to Event model.
* EBILL-6: Upped version number in documentation
* Add write support for MetaDataField
* EBILL-6: Expanded documentation for the clone endpoint, made behaviour of 'is_public' similar to 'plugins' for consistency
* EBILL-6: Re-added EventCRUDPermission
* EBILL-16: Updated documentation with permission model for the API
* EBILL-16: Added 'has_subevents' validation to ensure it cannot be changed once event is created.
* EBILL-16: Fixed event clone not differentiating between "not set" and "deliberately set to False"
* EBILL-16: Fixed event live validation
* EBILL-16: Added logging of live activated/deactivated
* EBILL-16: Fixed create event bug when no 'meta_data' supplied
* EBILL-16: Typo fixed
* EBILL-16: Added log display for "event created"
* EBILL-16: Enabling a plugin now calls 'installed' if applicable and log entries are added
* EBILL-16: Updated tests for events
* Do not allow enabling restricted plugins via the API
* Remove unused code
* Data model and migration
* Some backwards compatibility
* CRUD for checkin lists
* Show and perform checkins
* Correct numbers in table and dashboard widget
* event creation and cloning
* Allow to link specific exports and pass options per query
* Play with the CSV export
* PDF export
* Collapse exports by default
* Improve PDF exporter
* Addon stuff
* Subevent stuff, pretixdroid tests
* pretixdroid tests
* Add CRUD API
* Test compatibility
* Fix test
* DB-independent sorting behavior
* Add CRUD and coyp tests
* Re-enable pretixdroid plugin
* pretixdroid config
* Tests & fixes
* MKBDIGI-183: Added quotas API write methods
* MKBDIGI-183: Fixed code formatting
* MKBDIGI-183: Added test for permission requirements
* MKBDIGI-183: Documentation corrections
* MKBDIGI-183: Removed redundant create/update locks
* MKBDIGI-183: Added quota validation to check that items and variations corresponds to each other
* MKBDIGI-183: Added quota validation to check that item belong to the same event as the endpoint
* MKBDIGI-183: Added subevent validation to check that subevent belong to the same event as the endpoint
* MKBDIGI-183: Added subevent validation to check that subevent is null for non-series events
* MKBDIGI-183: Changed validation error text
* MKBDIGI-183: Added logging for subevents
* MKBDIGI-183: Fixed code formatting
* MKBDIGI-183: Fixed validation error in API test
* MKBDIGI-183: Fixed documentation errors
* MKBDIGI-183: Fixed typos in validation messages
* MKBDIGI-183: Refactored validation loop vars check
* MKBDIGI-183: Updated error strings in test assersions
* MKBDIGI-183: Fixed logging for API quota update to account changing subevents
