instructor feedbacks page test done
Merge branch 'bootstrap' of https://github.com/TEAMMATES/repo into TestFixBs
Fix issue 2070 - tooltip causes tests to fail
fixing test cases for student list page
Merge branch 'bootstrap' of https://github.com/TEAMMATES/repo into TestFixBs
hide frComment's control bar when edit
some fixes for frComment

1. it loads comment text into edit textarea
2. show frComment control bar aft ajax handling for edit
3. update added row aft ajax handling for add, so that it confroms jsp html
remove slightly gray frame above comment's list
change additional info table's heading

in insFbResultsByGiver/ByRecipient/ByTable
Fix pages and tests.
make dev green for insStuRecords
make dev green for instructorFbResults
Merge branch 'bootstrap' of https://github.com/TEAMMATES/repo into bootstrap
done with student list page test
Merge branch 'bootstrap' of https://github.com/TEAMMATES/repo into TestFixBs
Merge branch 'TestFixBs' into bootstrap
Tweak UI for InstructorEvalResults
Merge branch 'bootstrap' of https://github.com/TEAMMATES/repo into bootstrap
Merge branch 'Issue2095' into bootstrap
Merge remote-tracking branch 'origin/bootstrap' into Issue2033