Disable the creation of evaluations on the UI side.
Merge branch 'FeedbackSessions' into 74673764
Some UI changes for replacing evaluations
Add creating feedback sessions based on templates
Change in wording
Fix some tests
Change tooltip, replace references to instructor evals page
Fix tests
Modifications to tests
Merge branch 'FeedbackSessions' into 74673764

Conflicts:
	src/main/webapp/jsp/instructorFeedbacks.jsp
	src/test/resources/pages/instructorFeedbackAllSessionTypes.html
	src/test/resources/pages/instructorFeedbackDeleteSuccessful.html
	src/test/resources/pages/instructorFeedbackEmptyAll.html
	src/test/resources/pages/instructorFeedbackEmptySession.html
	src/test/resources/pages/instructorFeedbackPublishSuccessful.html
	src/test/resources/pages/instructorFeedbackUnpublishSuccessful.html
	src/test/resources/pages/instructorFeedbacksAllSessionTypesWithHelperView.html
Merge branch 'FeedbackSessions' into 74673764
Modify tests
Fix FeedbackResults and Feedback UI test
StudentProfilePageUiTest passes
Merge branch 'rc' of https://github.com/TEAMMATES/repo into rc
Add wait for ajax loading gif to disappear.
Merge branch 'rc' into FeedbackSessions

Conflicts:
	src/test/resources/pages/instructorFeedbackDeleteSuccessful.html
Merge branch 'FeedbackSessions' into 74673764

Conflicts:
	src/main/java/teammates/common/util/Const.java
	src/test/java/teammates/test/cases/ui/browsertests/InstructorFeedbackResultsPageUiTest.java
	src/test/resources/pages/instructorEvalResultsPublishedEval.html
[Fixes#74673764] disable creation of evaluations