1. add parameter check for "all"
1.add comments to ifShowAll parameter
2.add related reference for this
[2263]adminActivityLog: Do not show instructorEvalStatsPage unless all=true

fixes #2263
add update giver email of frc
update frc giver email
cascade instructor email change to frc
Merge branch 'master' into 75335716
Merge branch '75335716' into Feature-OmniComment
Merge branch 'Feature-OmniComment' into dev
Merge branch 'dev' of https://github.com/TEAMMATES/repo into dev
pass comments page
Merge branch 'dev' of https://github.com/TEAMMATES/repo into dev