[ADF-4391] Doc review for 3.2 (#4601)

* [ADF-4391] Reviewed new clipboard class docs

* [ADF-4391] Reviewed new proc cloud class docs

* [ADF-4391] Reviewed new datatable doc additions

lib/core/data-column/data-column.component.ts

@@ -32,7 +32,7 @@ export class DataColumnComponent implements OnInit {
     key: string;
 
     /** Value type for the column. Possible settings are 'text', 'image',
-     * 'date', 'fileSize' and 'location'.
+     * 'date', 'fileSize', 'location', and 'json'.
      */
     @Input()
     type: string = 'text';
@@ -66,7 +66,7 @@ export class DataColumnComponent implements OnInit {
     @Input('class')
     cssClass: string;
 
-     /** flag to show the copy content directive */
+     /** Enables/disables a Clipboard directive to allow copying of cell contents. */
     @Input()
     copyContent: boolean;