removing extra comma
Teacher View: stats round to 2 decimal points.
Add stats to Student view
Changed condition on placeholder if statement in student view and added Course Content menu to student view
Add teacher_comment to student view, changed teacher_comment field to text
Merge branch 'master' of https://github.com/mdipierro/lms299
Merge branch 'master' of https://github.com/matus85/lms299
Add teacher_comment to student view, changed teacher_comment field to text
"Commit was made by Urvi Patel ( i made a merge delete by mistake )"
Teacher View: enable/disable stats  for students view( not saving to database yet.)
Add non-negative validation for grades.
Fix a bug in grade validator.
Merge pull request #72 from matus85/master

Grading Interface: added Stats for teacher and student view