Celery
Renamed Twitter task module.
Friendship
Wrapped user model from friend api.
Friend favorite api
Clean code.
Friend list ordering
Filtering place search
Fabric celery handling
Add friends from Facebook works.
SNS friend import not override
Photo resize
Friend favorite in one-side.
Replaced `Choice` to `Enum`.
Photo create from url bug fix
Photo filename does not contain extension twice.
PostgreSQL JSON Field, enum, etc...
Account settings API refactoring.
BooleanFieldBase
Notification API draft.