Adds buildContent for Reportback File entity view
Adds Reportback File content, adds property info into dosomething_reportback_entity_property_info
Removes old Reportback File views
Adds new reportback_files view
Remove labels, display author/reviewer emails
Comment changes per #3645 review
Merge pull request #3645 from aaronschachter/rb_views

Reviewed Reportbacks view
Change filter to filter by non-pending instead of reviewer
Merge pull request #3648 from aaronschachter/rb_filter

Change RB Reviewed filter
Adds prove it buttons to the figure template
Adds flagged and flagged_reason columns to reportback table
Writes flagged and flagged_reason values in review form submit
Merge pull request #3651 from aaronschachter/refactor_flagged

Flagged and flagged_reason columns
Render Delete checkbox as a separate form element
Adds function to delete File from a Reportback File entity
Fixes #3646 - delete files upon deleting reportbacks
Fixes #3644 - Adds alert when deleting RB image
Changes per #3653 review
Merge pull request #3653 from aaronschachter/delete_files

Delete Reportback Images
Refs #3566 - Check if file exists before rendering image