polishing, fixed warning messages

spring-integration-test/src/main/java/org/springframework/integration/test/matcher/PayloadMatcher.java

@@ -53,6 +53,7 @@ import org.springframework.integration.Message;
  * @author Iwein Fuld
  * 
  */
+@SuppressWarnings("rawtypes")
 public class PayloadMatcher extends TypeSafeMatcher<Message> {
 
 	private final Matcher matcher;

spring-integration-test/src/test/java/org/springframework/integration/test/matcher/PayloadMatcherTests.java

@@ -70,6 +70,7 @@ public class PayloadMatcherTests {
 		}
 	}
 
+	@SuppressWarnings("rawtypes")
 	@Test
 	public void shouldMatchNonParametrizedMessage() throws Exception {
 		Message message = this.message;