Adds prove it buttons to the figure template
Refs #3652 - display flagged based on reportback->flagged property
Use Reportback File view mode to DRY in admin form
Updated variable name & usage
Fixes UK SSO registration.
Merge pull request #3657 from sergii-tkachenko/uk-fix-sso-error

Fixes UK SSO registration.
Updated variables
Renders Reportback Review form on the Reportback view
Merge pull request #3649 from deadlybutter/proveit

Adds prove it buttons to the figure template
Display teaser in when reviewing RB Files for a specific Reportback
Use Reportback File teaser for reviewing on a Reportback
Changes per #3659 review
Merge pull request #3659 from aaronschachter/edit_rb

Edit Reportback Review