Simplified tixlcontrol.urls
Rename flavors to variations
Add new event permissions
Basic item settings
Add Item.get_all_variations and a test for it
unittest forces us to break naming conventions, so ignore errors for
them
Rework Item.get_all_variations to return a list of dicts
Typo
Item update: restrict choices
Manage variations for items with exactly one property
Manage variations for items with exactly two properties
Removed unused variable