Changed assumption of InstructorCourseStudentDetailsEditSaveAction and added test cases
change studentCommentsPage's api of loading response comments back to the original one, as its performance issue is already fixed
1. fix some hard coded ".com" in backdoor test
2. fix email in reminder test
fix tests
add test data param to block testing data
add comment for "ifShowTestData" param
Modify to include new variable in page data
Add basic ajax request
Modify ajax request
Fix bugs when editing course with multiple instructors
Add preload icon
Remove redunant logger
1.revert email in AutomatedSessionRemindersTest.json
2. fix testing account checking logic
fix testing account checking logic
modify some json file to eliminate testing instructor accounts with "real" institute
1. update two tests to using ".tmt" for testing student
2. update script to ignore testing data
3. add counting unique student
change back all "tmt" to "com" for real accounts
[2493]detect and block testing accounts in admin activity log page unless testdata=true -m fixes
[2486]detect and block testing accounts in admin account management page unless all=true

fixes 2486
set email to lower case in set