Stop Storing HTML during Tabulation Task
Improve Results Pages

- Fix bug on progress bar due to integer division
- Show category sweepstakes winners more compactly
- Only send number of students for Admin
- Display detailed numbers of tests taken on sweepstakes page for Admin
- Display limited amount of entries on category sweepstakes and category
winners to public
- Prevent server error on invalid result type
- Link to school page from all students pages, category winners pages,
and category sweepstakes pages for Admin