Add order attribute to MVC ViewResolver config

The ViewResolverComposite that contains the ViewResolver's registered
throug the MVC Java config and namespace can now be assigned an
explicit order.

spring-webmvc/src/test/resources/org/springframework/web/servlet/config/mvc-config-view-resolution-custom-order.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+	   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	   xmlns:mvc="http://www.springframework.org/schema/mvc"
+	   xsi:schemaLocation="
+		http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
+		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
+
+	<mvc:view-resolvers order="123">
+		<mvc:bean-name />
+	</mvc:view-resolvers>
+
+</beans>
+