Updated features.html to reflect V5.x features
Removed feature screenshots no longer used
Updated the text in index.html to reflect V5.x
Updated images in the homepage
Updated terms.html about data security
Updated the heading of the index.html
Fix issue by considering logged in role
Fix broken tests
Merge branch 'master' into Issue2281
fixed a spelling mistake in index.html
Updated video tour for V5.08
Merge remote-tracking branch 'origin/master' into Issue2281
Fix test
Fix hard-coded number
[2281] Results shown to student for the contribution question is not correct