Return information about a scoresheet score.
GET /api/scoresheets/123/scores/321 Host: apply.example.edu Authorization: DREAM apikey="..."
Content-Type: application/json Content-Length: 1234
{ "scored": "2019-03-05T14:57:36+00:00", "application": "/api/applications/555", "scoresheet": "/api/scoresheets/123", "points": "20.00", "comments": "Foobar" }