以2.2.1.BUILD-SNAPSHOT 为基准，适配Greenwich版本的Spring Cloud

spring-cloud-alibaba-examples/sentinel-example/sentinel-zuul-example/src/main/java/com/alibaba/cloud/examples/RulesController.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018 the original author or authors.
+ * Copyright 2013-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

spring-cloud-alibaba-examples/sentinel-example/sentinel-zuul-example/src/main/java/com/alibaba/cloud/examples/SentinelZuulApplication.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018 the original author or authors.
+ * Copyright 2013-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

spring-cloud-alibaba-examples/sentinel-example/sentinel-zuul-example/src/main/java/com/alibaba/cloud/examples/ZuulConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018 the original author or authors.
+ * Copyright 2013-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

spring-cloud-alibaba-examples/sentinel-example/sentinel-zuul-example/src/main/resources/application.yaml

@@ -13,8 +13,8 @@ spring:
         ruleType: gw-api-group
       transport:
         dashboard: localhost:8080
-#      filter:
-#        enabled: true
+      filter:
+        enabled: false
 
 management.endpoints.web.exposure.include: "*"