instructor can download student list with separated first name and last name
simplify split name method and move it into stringHelper class
fix typo
1. fix typo
2. add test for split name method
fix typo and add case for empty string full name
1. for version like 5.05rc major version list will take in as it is
2. for version like 5.00, previously it will return wrong string with negative value in the string, now it is fixed
1. add timing info attribute for activityLogEntry
2. for older logs, no timing info will be shown
3. for new logs, timing info will be shown in format:   m:s:ms
4.only successful request will be timed now
temp push
update possible request entry directly from Const
1.add version filter in query
preserve line break in feedback session instructions
Update mashup page
sample data now has accounts for students for completeness
[fixes #74582872]
1.add joinUrl showing for developing purpose
2.fix related test
Merge branch 'dev' into Section
1. test whole join link shown in adminHomePage status
2. add comments for hidden instructor join link inside instructorCourseEditPageUitest and the asp file
Merge remote-tracking branch 'origin/master' into 74582646

Conflicts:
	src/test/java/teammates/test/cases/ui/browsertests/InstructorCourseEditPageUiTest.java
	src/test/resources/pages/instructorCourseEdit.html
Add function to get all FS
Fix wrong sanitization of creatorEmail in FeedbackSessionAttributes