Fix TableFormView bug: singular actioning template was being used for multiple items, plural actioning template was being used for a single item
Change TableFormView to allow disabling of action confirmation for its action elements
Change TableFormView to allow action buttons to target a modal
Rename export contacts modal's action input to be useable for individual contacts: _export_group_contacts -> _export
Add task for exporting a list of contacts
Fix TableFormView bug (clicking the head action checkbox wasn't toggling the body action checkboxes)
Add export button to the contact group list view (this should have been done #475)
Add test for TableFormView to assert that checking the head checkbox toggles the body checkboxes
Merge branch 'develop-frontend' into feature/issue-580-two-modals-appears-when-trying-to-export-contacts