Failing feature for approving format reviews
Add a submitted format review filter

This also improves the filters and adds a non-linking
placeholder for filters when there are no submissions
at the appropriate status
Filter and list submissions whose format reviews are submitted
Initial layout of the admin submission form
Status giver is already instantiated
Fix typo
Show a link to uploaded format reviews files when they exist
Add spec for submissions accepting committee member attributes
Add remaining db columns to submissions
Implement the approve format review feature
Validate presence of format review notes at the right time