uses javascript executor to check the profile photos
Merge branch 'master' into Issue2502
Fix concurrent issue
forces the popover to disappear before next test occurs
remove questions without responses to show
Merge branch 'master' into Issue2541
Catch cases where giver/recipient email is invalid and log at severe level
Fix broken tests
Merge remote-tracking branch 'origin/master' into Issue2581
Revert "Fix broken tests"

This reverts commit c141e25dea1d7a5223f0b69870b5d6ced31b561b.
Add more details to be logged
Merge remote-tracking branch 'origin/master' into Issue2581
[2581] ArrayIndexOutOfBoundsException in getResponseAnswerHtml
fix hard coded emails
[2617]AdminHomePageUiTest and InstructorCourseDetailsPageTest failing

fixes #2617
1. handle role for "unjoined" users and user who is "instructor" and "student"
1.change icon role colour for admin and unregistered
2. change icon for unregistered from "?" to "human" sign
fix typo
[1790]adminActivityLog: Access by some student users shown as instructors

fixes #1790
[2621]adminActivityLog: make admin icon red

fixes #2621