AJ-2429 replace debugger with byebug in development for Ruby 2 support
AJ-2429 initial pass at consolidating requests for leaderboard
AJ-2429 Refactoring leaderboard controller code to improve performance
AJ-2429 Near-final SQL-query condensation improvements of leaderboard controller and related models
AJ 2429 further refactoring of leaderboard controller
AJ 2429 Further refactoring of info controller, rebuilding leaderboard queries to be User-based rather than CourseMembership-based for better consolidation.
AJ-2429 Finish condensing info controller and user model logic for cleanly fetching all course membership, team membership and user membership information in one query.
AJ-2429 Improving methods for selecting user teams and course badges with less overhead.
AJ-2429 Working implementation of leaderboard speed improvements. Still working but ready to test.
AJ-2429 Hack another 300ms out of leaderboard page load time
AJ-2429 Fix leaderboard badge issue for nil badges from Rollbar #739
AJ-2429 Fix leaderboard crash issue for no earned badges, add auditing:false for users
AJ-2429 Add student role constraint for individual and team views on leaderboard
AJ-2429 resolve issue where multiple rows were being printed on leaderboard, improve speed; still experiencing dynatable issues for student scores over 1,000,000
AJ-2429 Fix dynatable bug where only single commas are formatted out of numbers
Merge pull request #825 from UM-USElab/2014-11-05--improve_leaderboard_speed--TKT#2429

2014 11 05  improve leaderboard speed  tkt#2429