intructors signup
instructor can sign up, but admin can delete him if not allowed
fixing edit submission
user update profile works
intructor can grade assignment and leave feedback
instructor can see specific student grade, same as student can see his grade
a student can see his grade and is not allowed to update the grade
changed the link title
Rspec for courses_controller added
Merged
Merged
Random bugs fixed
working on cucumber
Files deleted
Merge and remove converage
Fixed ambiguous user steps
Added steps for submissions entry
Fixed more steps in submissions feature
Fixed instructor submission story
Rspec changes