INT-1129 moved Message and MessageHeaders from 'core' to the root (org.springframework.integration)

spring-integration-samples/cafe/src/main/java/org/springframework/integration/samples/cafe/Cafe.java

@@ -22,7 +22,7 @@ import org.springframework.integration.annotation.Gateway;
  * The entry point for Cafe Demo. The demo's main() method invokes the
  * '<code>placeOrder</code>' method on a generated MessagingGateway proxy.
  * The gateway then passes the {@link Order} as the payload of a
- * {@link org.springframework.integration.core.Message} to the
+ * {@link org.springframework.integration.Message} to the
  * configured <em>requestChannel</em>. The channel ('orders') is
  * defined in the 'cafeDemo.xml' file.
  *