Fixed alternate format views using MultipleFormatTemplateViewMixin; updated 'format' url param to not use '.' before format type in url
Simplified inheritance of frontend template files (single event and listing templates, with format variations)
Order ProfileList by superusers first
Render 'reassign ownership' modal for superusers; fix redirect to dashboard when an admin removes himself from a calendar
Fixed url on logout template
Fixed event count value on TagListView