[fix bug 1025971] Add "Reply-To" header to inactivity notifications.
Merge pull request #771 from akatsoulas/1025971

[fix bug 1025971] Add "Reply-To" header to inactivity notifications.
[fix bug 1029424] Filter by activity and campaign name in the reports app.
Merge pull request #772 from akatsoulas/admin-ngreports

[fix bug 1029424] Filter by activity and campaign name in the reports ap...
Add 'Check Celery' button back to admin interface.
Merge pull request #773 from akatsoulas/add-celery-check

Add 'Check Celery' button back to admin interface.
[fix bug 1021565] Show settings link to non-mozillians only.
Merge pull request #777 from johngian/1021565

Show settings link to non-mozillians only.