Find entityProperties -> properties.
Correct "Manage presets" link.
Add comment for quiz_scale_properties.{qid,vid}.
Move question's alternatives loading to collectionIO class.
Move delete logic to CollectionIO.
moving
moving
Fix fatal errors.
Rename {quiz_scale_answer_collection} to {quiz_scale_collections}.
Follow last commit: Rename {quiz_scale_answer_collection} to {quiz_scale_collections}.
Add new columns for {quiz_scale_collections}:

1. name
2. label
Add new column {quiz_scale_collections}.status
Define 'scale_collection' entity.
Move hook implementations to hooks file.
Add missing controller class for scale collection entity.
Add new column {quiz_scale_collections}.{module,data}
Add scale_collection_controller().
misc
Add {quiz_scale_collections}.uid. Then we can drop {quiz_scale_user}.
Fix bad database update script -- scale_update_7603().