[Fix bug 997275] Add dynamic groups to PermissionMixin.
[Fix bug 1004755] Add passive report for post event data.
Merge pull request #763 from johngian/1004755-post-event-report

Passive report for post event data.
PR update.
Merge pull request #755 from johngian/fix-metrics-permissions

[Fix bug 997275] Add dynamic groups to PermissionMixin.