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
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
Add post param null checking for instructorStudentCommentAdd
1. fix tests
[2627]Action tests failing due to new variable in getLogMessage

fixes #2627
Merge branch 'master' into Issue2541
[2541] Fix concurrent issue in displaying search results
Merge branch 'master' into Issue2368
Fix issue by not extracting question details if question text is empty
Add assertion for null or empty question text for edit, but not delete
Add/modify tests for deletions, for null, empty and normal question text