DC/Pooja | #2457 | Displaying email address on user tab instead of username
Pooja/ Ashwin| #2450| Correcting way multiple select choices appear in subject sms preview page.
Ramya #0000 Added FTs for Add subject type page
Dileep/ Ashwin| #2481| Not allowing special characters in subject short code while importing.
Yogesh/ Ashwin| #2481| Migration to add regex constraint for short code in subject registration form model.
Updating mangrove version
Yogesh/Ashwin | #2481 | fixing tests
Heri&Sophie|2320: Clean up Learn More text on All Subjects page
Heri&Sophie|2515&2516: Fixing some strange behavior on activate/deactivate accounts features