Dan Brown 712ccd23c4
Updated activities table format
Renamed some columns to be more generic and applicable.
Removed now redundant book_id column.
Allowed nullable entity morph columns for non-entity activity.

Ran tests and made required changes.
2020-11-08 00:03:19 +00:00
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2020-11-08 00:03:19 +00:00
2020-11-08 00:03:19 +00:00
2020-11-08 00:03:19 +00:00