Done with populating data in Data-Review row.

**Populating object's data in each field of row completed:**
- Populating data in input-box, select-element is done.
- Populating content_org data in overlay along with check for the change.
- Showing drawer widget for prior_node and teaches done (check for change will completed soon).

**Some other changes:**
- Showing green border around currently editing row.
- Code for pagination is kept in separate template (pagination.html). Which would be made as generic to be used anywhere else.