WIP
Merge branch 'master' of github.com:code-dot-org/dashboard into disassociate
WIP
Merge branch 'master' of github.com:code-dot-org/dashboard into disassociate
WIP
Merge branch 'master' of github.com:code-dot-org/dashboard into disassociate
add first_teacher_id and prize_teacher method to guarantee only one teacher can get prize credit per student that completes
use try(:id)
undo change to delete Follower
clarify email text, remove unneeded collect call
PR feedback: pluralization, rename first_teacher_id
Merge pull request #253 from code-dot-org/disassociate

Disassociate student from teacher