Fix javadoc links Spring 4

README.adoc

@@ -1,6 +1,6 @@
 :spring_boot_version: 0.5.0.M6
-:MappingJackson2MessageConverter: http://docs.spring.io/spring/docs/4.0.x/javadoc-api/org/springframework/messaging/support/converter/MappingJackson2MessageConverter.html
-:Component: http://docs.spring.io/spring/docs/current/javadoc-api/org/springframework/stereotype/Component.html
+:MappingJackson2MessageConverter: http://docs.spring.io/spring/docs/4.0.0.RC1/javadoc-api/org/springframework/messaging/support/converter/MappingJackson2MessageConverter.html
+:Component: http://docs.spring.io/spring/docs/4.0.0.RC1/javadoc-api/org/springframework/stereotype/Component.html
 :jackson: http://wiki.fasterxml.com/JacksonHome
 :AtMessageMapping: http://docs.spring.io/spring/docs/current/javadoc-api/org/springframework/messaging/handler/annotation/MessageMapping.html
 :AtController: http://docs.spring.io/spring/docs/current/javadoc-api/org/springframework/stereotype/Controller.html
@@ -8,7 +8,7 @@
 :AtEnableWebSocketMessageBroker: http://docs.spring.io/spring/docs/current/javadoc-api/org/springframework/messaging/simp/config/EnableWebSocketMessageBroker.html
 :SpringApplication: http://docs.spring.io/spring-boot/docs/{spring_boot_version}/api/org/springframework/boot/SpringApplication.html
 :Stomp_JS: http://jmesnil.net/stomp-websocket/doc/
-:DispatcherServlet: http://docs.spring.io/spring/docs/current/javadoc-api/org/springframework/web/servlet/DispatcherServlet.html
+:DispatcherServlet: http://docs.spring.io/spring/docs/4.0.0.RC1/javadoc-api/org/springframework/web/servlet/DispatcherServlet.html
 :EnableAutoConfiguration: http://docs.spring.io/spring-boot/docs/{spring_boot_version}/api/org/springframework/boot/autoconfigure/EnableAutoConfiguration.html
 :toc:
 :icons: font