Added script to download data via cmd
Changed download target url to TM url
Add upload_data file and generated bulkloader
Added some comments to using the scripts
Merge branch 'master' into Issue2447
Minor cosmetic changes
Add new attributes for entity
Add append and delete respondant function for session
Add append and remove function in feedback submission save action
Add delete respondants function when deleting instructor or student
Change logic in retrieving response rate
Merge branch 'master' into Issue2452
Fix showing unresponding participants and add function to be used in restoring data bundle
Failing test for new expected behaviour
Merge branch 'master' into Issue2452
Add handle when deleting questions and migrating script
Initialize datastore
Fix test cases
Refactor code and enhance migrate script
Merge branch 'master' into Issue2452