Initial accessibility changes to leaderboard page
Initial accessibility changes to Grading Status
Initial accessibility changes to Awarded Achievements and Gradebook pages
Merge pull request #784 from reggiejr/a11y_leaderboard

Initial accessibility changes to leaderboard page
Fixed merge conflicts in accessibility work
Merge branch 'reggiejr-a11y_grading_status'
Fixed merge conflicts on class badges page
Merge branch 'reggiejr-a11y_award_achievements'
update controller calls to user roles to include course
Updated sample data to remove course roles