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.  | 
			||
|---|---|---|
| .. | ||
| icons | ||
| js | ||
| lang | ||
| sass | ||
| views | ||
				
					
						
							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.  | 
			||
|---|---|---|
| .. | ||
| icons | ||
| js | ||
| lang | ||
| sass | ||
| views | ||