Autoconfigure optimization

Add spring-boot-autoconfigure-processor to the kafka-streams binder for
auto configuration optimization.

Resolves #406

spring-cloud-stream-binder-kafka-streams/pom.xml

@@ -57,6 +57,11 @@
 			<artifactId>spring-cloud-stream-binder-test</artifactId>
 			<scope>test</scope>
 		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-autoconfigure-processor</artifactId>
+			<optional>true</optional>
+		</dependency>
 		<!-- Following dependencies are needed to support Kafka 1.1.0 client-->
 		<dependency>
 			<groupId>org.apache.kafka</groupId>
@@ -72,4 +77,4 @@
 			<scope>test</scope>
 		</dependency>
 	</dependencies>
-</project>
+</project>

spring-cloud-stream-binder-kafka-streams/src/main/java/org/springframework/cloud/stream/binder/kafka/streams/KTableBinderConfiguration.java

@@ -23,10 +23,12 @@ import org.springframework.cloud.stream.binder.kafka.provisioning.KafkaTopicProv
 import org.springframework.cloud.stream.binder.kafka.streams.properties.KafkaStreamsBinderConfigurationProperties;
 import org.springframework.cloud.stream.binder.kafka.streams.properties.KafkaStreamsExtendedBindingProperties;
 import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
 
 /**
  * @author Soby Chacko
  */
+@Configuration
 public class KTableBinderConfiguration {
 
 	@Autowired