[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.