file selector a la nginx autoindex / apache mod_autoindex
set proper permissions on XML templates in update.sh

For some reason, having XML templates with 755 perms was causing
Git not to be able to switch branches between master and git-annex
during the sync operation when run by Django/gunicorn/supervisord.
create collection ead.xml if it does not exist
Fix Preferred Citation label in entity form
Merge branch 'master' into 058-file-selector
Merge branch 'master' into 068-backup