Fix teams#list action.
Use the student_id param instead of id for student_teams#edit
Clean up foreign keys so that users can be deleted
A team name may be updated by member students
Fix routes & parameters for editing teams; remove team_controller
Fix the finder_sql sentence to return all responses for an assignment_team.
Merge branch 'master' of https://github.com/expertiza/expertiza
Use standard route for student_team/update
pull from origin