Merge branch 'dev' into Feature-OmniComment
apply quick fix to some styling issues
added empty tests
Merge branch 'dev' into Feature-OmniComment

Conflicts:
	src/main/webapp/jsp/studentComments.jsp
displayedName: more strict checking for displayedName
Merge branch 'Feature-OmniComment' into 75008580
sanitize before saving to db for instructor entity
remove unnecessary sanitization
Merge branch 'dev' into 75008580
Merge branch 'rc' into 75008580
change of UI style
Merge branch '75008580' into dev
Merge branch 'dev' into rc