upgraded to lates s-c-function and s-c-build

cleaned javadoc errors in some modules

spring-cloud-stream-integration-tests/pom.xml

@@ -47,16 +47,4 @@
     		<scope>test</scope>
 		</dependency>
 	</dependencies>
-	<build>
-		<plugins>
-			<plugin>
-				<groupId>org.apache.maven.plugins</groupId>
-				<artifactId>maven-javadoc-plugin</artifactId>
-				<configuration>
-					<skip>true</skip>
-				</configuration>
-			</plugin>
-		</plugins>
-	</build>
-
 </project>