Added nil checker for student_only?
Added nil checker and display error when retrieving sis_user_id for username
Added functionality to accept email for username field

Will strip out the '@sfu.ca' and change the value of the textfield
Apparently Ruby methods don't apply in Javascript
Refactored

Removed on change event for sandbox checkbox since it was throwing an error in the background
Merge branch 'course_form' of github.com:ronvs/canvas-lms into ronvs-course_form

Conflicts:
	vendor/plugins/sfu_course_form/app/views/course_form/create.html.erb