minor improvements

- Remove `Configuration` annotation for `LifecycleConfiguration` and `EnableModuleConfiguration` as these aren't configuration classes
 - Rename the above classes after their functionality

spring-cloud-stream/src/main/java/org/springframework/cloud/stream/annotation/EnableModule.java

@@ -26,8 +26,8 @@ import java.lang.annotation.Target;
 import org.springframework.cloud.stream.config.AggregateBuilderConfiguration;
 import org.springframework.cloud.stream.config.ChannelBindingAdapterConfiguration;
 import org.springframework.cloud.stream.config.CodecConfiguration;
-import org.springframework.cloud.stream.config.EnableModuleConfiguration;
-import org.springframework.cloud.stream.config.LifecycleConfiguration;
+import org.springframework.cloud.stream.config.ModuleRegistrar;
+import org.springframework.cloud.stream.config.ChannelBindingAdapterRunner;
 import org.springframework.cloud.stream.config.RabbitServiceConfiguration;
 import org.springframework.cloud.stream.config.RedisServiceConfiguration;
 import org.springframework.context.annotation.Configuration;
@@ -47,8 +47,8 @@ import org.springframework.integration.annotation.MessageEndpoint;
 @Configuration
 @MessageEndpoint
 @Import({RedisServiceConfiguration.class, RabbitServiceConfiguration.class,
-	ChannelBindingAdapterConfiguration.class, CodecConfiguration.class, LifecycleConfiguration.class,
-	AggregateBuilderConfiguration.class, EnableModuleConfiguration.class})
+	ChannelBindingAdapterConfiguration.class, CodecConfiguration.class, ChannelBindingAdapterRunner.class,
+	AggregateBuilderConfiguration.class, ModuleRegistrar.class})
 public @interface EnableModule {
 
 	Class<?>[] value() default {};

spring-cloud-stream/src/main/java/org/springframework/cloud/stream/config/AggregateBuilderConfiguration.java

@@ -46,5 +46,4 @@ public class AggregateBuilderConfiguration implements CommandLineRunner {
 		}
 		aggregateBuilder().build();
 	}
-
 }

spring-cloud-stream/src/main/java/org/springframework/cloud/stream/config/ChannelBindingAdapterRunner.java

@@ -19,14 +19,12 @@ package org.springframework.cloud.stream.config;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.CommandLineRunner;
 import org.springframework.cloud.stream.adapter.ChannelBindingAdapter;
-import org.springframework.context.annotation.Configuration;
 
 /**
  * @author Dave Syer
  *
  */
-@Configuration
-public class LifecycleConfiguration implements CommandLineRunner {
+public class ChannelBindingAdapterRunner implements CommandLineRunner {
 
 	@Autowired
 	private ChannelBindingProperties module;
@@ -40,5 +38,4 @@ public class LifecycleConfiguration implements CommandLineRunner {
 			adapter.start();
 		}
 	}
-
 }

spring-cloud-stream/src/main/java/org/springframework/cloud/stream/config/ModuleRegistrar.java

@@ -22,7 +22,6 @@ import java.util.List;
 import org.springframework.beans.factory.support.BeanDefinitionRegistry;
 import org.springframework.cloud.stream.annotation.EnableModule;
 import org.springframework.cloud.stream.utils.MessageChannelBeanDefinitionRegistryUtils;
-import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.ImportBeanDefinitionRegistrar;
 import org.springframework.core.type.AnnotationMetadata;
 import org.springframework.util.ClassUtils;
@@ -32,8 +31,7 @@ import org.springframework.util.MultiValueMap;
  * @author Marius Bogoevici
  * @author Dave Syer
  */
-@Configuration
-public class EnableModuleConfiguration implements ImportBeanDefinitionRegistrar {
+public class ModuleRegistrar implements ImportBeanDefinitionRegistrar {
 
 	@Override
 	public void registerBeanDefinitions(AnnotationMetadata metadata,