Restructures cached data to be organized by user, then model (to simplify retrieval). Refactors code throughout to support this change.

Adapts labeling and auditing for single-session flow. Removes unused functionality throughout.

Adds automatically generated usernames. Removes username selection and shared user store. Removes Results and Study Links views. Removes AppOld component.

Adds comments on key utils functions; preliminary streamlining of cluster results plot

Transfer IndieLabel demo version