[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.
[fix bug 1011181] Notify event creators that it's time to input event metrics.
Merge pull request #764 from akatsoulas/1011181

[fix bug 1011181] Notify event creators that it's time to input event metrics.
This commit aims to fix Bug 1021565: "Settings" link was showing in mobile view for non-Mozilla Rep users.
The link has now been removed.