demo of what the bulk upload delete might look like.
Add functionality so that the buttons work, plus restyle some stuff.
Add handler to disable bulk delete on file upload, and add handler for new button on file upload completion.
Merge branch 'master' into feature/acm-file_upload_bulk_delete
Merge pull request #636 from nla/feature/acm-file_upload_bulk_delete

Feature/acm file upload bulk delete