need a way to change TA reviews.

[jasonhartline]

i want to be able to provide higher quality TA reviews when we identify submissions that will be contentious. that means replacing the existing TA review with another one. One way to do this is reassign the match_id reviewer to me.

[madhavsuresh]

Questions that need to be addressed:

• what happens if we change the matchid
• can we delete existing peer reviews

[jasonhartline]

Two-fold Approach:

1. reassign match to Jason
2. API endpoint to raise a peer review appeal.