INT-3637: JMX Improvements Msg Sources/Handlers

JIRA: https://jira.spring.io/browse/INT-3637

- Message Sources
- Message Handlers

Polishing; Final Review and PR Comments

- avoid second call to System.currentTimeMillis()
- fix elapsed time in handler metrics
- expose TrackableComponent when available

INT-3637: Add @IntergrationManagedResource

Prevents beans (channels, etc), which were previously picked
up via a proxy, from being exported by a standard context
MBeanExporter.

I looked at completely eliminating the MBeanExporterHelper,
which suppresses o.s.integration beans from being exported by
a standard MBeanExporter when there is an IMBE present, but I feel
this is too much of a breaking change. There are a number of
standard beans (such as WireTap) that are @ManagedResources and
these would disappear for users that don't have an IMBE.

That said, such beans previously disappear completely when there
*is* an IMBE so now they are now annotated with both so that
they are exported by at most one of the exporters.

Polishing; Use MBE.addExludedBean instead of DFA

INT-3639: JMX (AMQP/JMS) Channel Stats

JIRA: https://jira.spring.io/browse/INT-3639

Module channels inherit `ChannelSendMetrics`; add
`PollableChannelManagement` for polled channels.

INT-3638: JMX Initial Stats/Counts Settings

JIRA: https://jira.spring.io/browse/INT-3638

Add the ability to specify the initial settings for
'enableStats' and 'enableCounts' for MBeans that
support those statistics.

Polishing; PR Comments; Add Handler Metrics Test

Also found a problem using an inner MessageSource bean in an
inbound-channel-adapter - a BeanComponentDefinition was returned
instead of a BeanDefinition.

Add @DirtiesContext to JMX Tests

The new MonitorTests failed with InstanceAlreadyExistsException for the
errorChannel.

Add @DirtiesContext to all tests using the Spring test runner to avoid caching any
contexts after the test class completes.

INT-3637: JMX Support Negated Name Match Patterns

Note: with negated matches, order matters.

Polishing for `MonitorTests`
Fix `EnableIntegrationMBeanExport` JavaDocs

spring-integration-redis/src/main/java/org/springframework/integration/redis/inbound/RedisQueueInboundGateway.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 the original author or authors
+ * Copyright 2014-2015 the original author or authors
  *
  *     Licensed under the Apache License, Version 2.0 (the "License");
  *     you may not use this file except in compliance with the License.
@@ -31,6 +31,7 @@ import org.springframework.integration.channel.MessagePublishingErrorHandler;
 import org.springframework.integration.gateway.MessagingGatewaySupport;
 import org.springframework.integration.redis.event.RedisExceptionEvent;
 import org.springframework.integration.support.channel.BeanFactoryChannelResolver;
+import org.springframework.integration.support.management.IntegrationManagedResource;
 import org.springframework.integration.util.ErrorHandlingTaskExecutor;
 import org.springframework.jmx.export.annotation.ManagedMetric;
 import org.springframework.jmx.export.annotation.ManagedOperation;
@@ -42,9 +43,11 @@ import org.springframework.util.Assert;
 /**
  * @author David Liu
  * @author Artem Bilan
+ * @author Gary Russell
  * @since 4.1
  */
 @ManagedResource
+@IntegrationManagedResource
 public class RedisQueueInboundGateway extends MessagingGatewaySupport implements ApplicationEventPublisherAware {
 
 	private static final String QUEUE_NAME_SUFFIX = ".reply";

spring-integration-redis/src/main/java/org/springframework/integration/redis/inbound/RedisQueueMessageDrivenEndpoint.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors
+ * Copyright 2013-2015 the original author or authors
  *
  *     Licensed under the Apache License, Version 2.0 (the "License");
  *     you may not use this file except in compliance with the License.
@@ -31,6 +31,7 @@ import org.springframework.integration.channel.MessagePublishingErrorHandler;
 import org.springframework.integration.endpoint.MessageProducerSupport;
 import org.springframework.integration.redis.event.RedisExceptionEvent;
 import org.springframework.integration.support.channel.BeanFactoryChannelResolver;
+import org.springframework.integration.support.management.IntegrationManagedResource;
 import org.springframework.integration.util.ErrorHandlingTaskExecutor;
 import org.springframework.jmx.export.annotation.ManagedMetric;
 import org.springframework.jmx.export.annotation.ManagedOperation;
@@ -44,9 +45,11 @@ import org.springframework.util.Assert;
  * @author Mark Fisher
  * @author Gunnar Hillert
  * @author Artem Bilan
+ * @author Gary Russell
  * @since 3.0
  */
 @ManagedResource
+@IntegrationManagedResource
 public class RedisQueueMessageDrivenEndpoint extends MessageProducerSupport implements ApplicationEventPublisherAware {
 
 	public static final long DEFAULT_RECEIVE_TIMEOUT = 1000;