WP-3127: Add submit field.
WP-3113: Publication fields Volume, Issue, and Pages are now 12 characters wide.
WP-3128: Hide specific fields on the publications form for faculty role.
WP-3215: Move field_author specific code to gsb_field_authors.
WP-3204: Move faculty role specific code to gsb_faculty_role.module.
WP-3267: Add publication date field.