1. temp push
add more files for instructor search purpose
add necessary methods in Db and logic for admin search for instructors
1. fix typo
2. add missing logic for search for admin searching for instructor
basic working version of adminSearch
1.update the document putting and deletion in Db
2.add institute map
3.update jsp and js for instructors
separate disclosing and collapsing for students and instructors
add instructor Home page link
now has instructorCourseJoinLink
1. use entity returned by create entity method
2. delete wrong comment
3.add displayed name to instructor document
add migration script for instructor
fix document deletion in Db
[2439]Instructor can search for instructors

fixes #2439