Fix null pointer exception in p when no test data present.
[Fixes#73108984]error in mashup.jsp when no test data
Add message when no team stats to show in group by team view.
Fix issue when giver/recipient is not a person and has no team specified, no team name is shown. show/use name/email as team name in those cases.
Fix tests and use name, not email when team is empty.
[Fixes#73180712]Add message when in group by team view, there are no team stats to be shown
Merge remote-tracking branch 'origin/dev' into FeedbackSessions
Merge branch 'FeedbackSessions' into dev - fix some sorting and team name issues, fix mashup page error