[doifile.tmpl] Render both Name and Citation for refs

Backwards compatible template so that older Datacite.yml files are still
rendered properly.
No need for conditionals, since empty fields will have no effect.

templates/repo/doifile.tmpl

@@ -42,7 +42,7 @@
 				<td>References</td>
 				<td>
 					{{range $index, $ref := .DOIInfo.References}}
-						{{ $ref.Name }} [{{ $ref.ID }}] ({{ $ref.Reftype }})
+						{{ $ref.Name }} {{ $ref.Citation }} [{{ $ref.ID }}] ({{ $ref.Reftype }})
 						<br>
 					{{end}}
 				</td>