added a necessary closePM() to remove dependency between tests
Added a script to change all student's institute within a course
[2197] Write a script to modify institute of students in a course
fixes #2197
Merge branch 'master' of https://github.com/TEAMMATES/repo
UI change
Merge branch 'dev' into AccessControl
Merge branch 'master' into AccessControl
Merge branch 'AccessControl' into 73272642