DATACMNS-1755 - Declare each variable in its own statement.

Update classes so that each member is declared on its own line. This
help to make them slightly easier to see when not using an IDE.

Original pull request: #448.

src/main/java/org/springframework/data/domain/jaxb/SpringDataJaxb.java

@@ -60,7 +60,8 @@ public abstract class SpringDataJaxb {
 	@XmlAccessorType(XmlAccessType.FIELD)
 	public static class PageRequestDto {
 
-		@XmlAttribute int page, size;
+		@XmlAttribute int page;
+		@XmlAttribute int size;
 		@XmlElement(name = "order", namespace = NAMESPACE) List<OrderDto> orders = new ArrayList<>();
 	}