CSS adjustment to go better w/ new styling on bookish
footerless dialogs can sometimes be ugly with the new styling

and i tried CSS magic to get around this, but it's really just easiest
to add a blank footer, at least for now.
Merge pull request #169 from oerpub/metadata-styling-changes-issues-139

Metadata styling changes issues 139
Merge remote-tracking branch 'origin/master' into undoredo