1. reduce iterations
2. add iterations progress indicator
1.  add BOM to solve csv problem on windows
2. add modal in instructorCourseDetails page to let user copy and paste the table
1. add modal table for evalResultsPage
add logic and ui for modal table in feedback results page
1. combine and reduce logic for csv and html
fix tests
fix one test
fix test typo
added defensive checks to ensure null pointer exceptions do not occur while putting/deleting documents
add auto-loading for 'all records' page
update testing for ajax-loading
Fix concurrent issue
[2580] 'all records' page: make responses auto-load
[2565] NPE in instructorCoursesPage
[2516] NPE from instructorCoursesPage
[2539] Deleting courses causes error
[2546] NPE in InstructorCourseDeleteAction
1. add csv to html table convert method
2. reverse course student list csv logic
1. reduce csv logic for evaluations logic
reduce csv to html logic for feedback sessions result page
1.change ui for student list page
2. modify csv to html logic to ignore empty rows
1 change ui for evalresut and feedback results page
[2575]stats per institute: reduce loops

fixes #2575