upgrade webflow

spring-mvc-webflow/src/main/java/org/baeldung/spring/WebMvcConfig.java

@@ -2,12 +2,10 @@ package org.baeldung.spring;
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.ComponentScan;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.context.annotation.ImportResource;
 import org.springframework.web.servlet.config.annotation.EnableWebMvc;
 import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
-import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 import org.springframework.web.servlet.view.InternalResourceViewResolver;
 import org.springframework.web.servlet.view.JstlView;
 import org.springframework.webflow.mvc.servlet.FlowHandlerAdapter;
@@ -15,7 +13,7 @@ import org.springframework.webflow.mvc.servlet.FlowHandlerMapping;
 
 @EnableWebMvc
 @Configuration
-public class WebMvcConfig extends WebMvcConfigurerAdapter {
+public class WebMvcConfig implements WebMvcConfigurer {
 
     @Autowired
     private WebFlowConfig webFlowConfig;

spring-mvc-webflow/src/main/webapp/WEB-INF/flows/activation-flow.xml

@@ -2,7 +2,7 @@
 <flow xmlns="http://www.springframework.org/schema/webflow"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/webflow
-                          http://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd">
+                          http://www.springframework.org/schema/webflow/spring-webflow.xsd">
 
 
     <view-state id="activation">