add activity view helpers
use activity view helper
clean up process_notification
consistent calls to process_notification
fix deletion message
add public activity views
add import activity translation
make string html_safe
add public activity
admin can see all activity
consistent calls for public activity tracking
update public activity views
use attribute name for name of item
update public activity views
update process_notification call
clean up public_activity translations
add public activity
cleanup translation usage
Merge pull request #870 from concerto/public_activity_858

public activity 858