[CYB-95] - Added Percentile column with sorting, removed Rank
[CYB-95] -- A big commit: Added percentile, removed rank, added instructor view, added highlighting, share/not share views via the landing page are now working properly
[CYB-95] -- Fixed minor backend code
Merge pull request #36 from richcreationsrc/engagement-index-percentile

Engagement Index Percentile
Merge conflict