Merge branch 'dev'
Changed assumption of InstructorCourseStudentDetailsEditSaveAction and added test cases
1. make {LAST}  FIRTST NAME acceptable
2. add some test cases
fixed issue #2455: 'notify pending comments' button shown in insCommentsPage, but hidden in insHomePage
add test to cover this fix
[Issue2455] 'notify pending comments' button shown in insCommentsPage, but hidden in insHomePage
1. show full name and last name in csv file
2. fix tests
Implement the script for repairing corrupted data
add success case for names with curly braces
Add 'static' for main function
Added print statements to show progress.
Reordered parameters: Course ID followed by Session name
[Issue2474] instructorCourseAddInstructor: vulnerable to eventual consistency
[2479] Add script for repairing corrupted data in responses
Preserve line breaks for feedback responses in instructor feedback results
Fix profile picture hover code, so that it does not disappear when hovering on the popover.
[2468]instructorStudentEnroll: Does not accept {lastname} firstname

fixes #2468
[2469]Preserve the name order and show full name instead of first name in CSV files

fixes #2469
solve and problem and create test for ajax loading
remove unnecessary imports in largescaleddata.java
Fix tests