Update for new security module

spring-cloud-config-sample/src/main/resources/bootstrap.yml

@@ -1,6 +1,6 @@
 spring:
   application:
     name: bar
-  platform:
+  cloud:
     config:
       uri: http://localhost:${config.port:8888}

spring-cloud-config-sample/src/test/resources/server.yml

@@ -1,14 +1,14 @@
 info:
   component: Config Server
 spring:
-  platform:
+  cloud:
     config:
       server:
         basedir: target/config
   application:
     name: configserver
   jmx:
-    default_domain: platform.config.server
+    default_domain: cloud.config.server
 server:
   port: 8888
 management: