GH-352: Add General send() with ProducerRecord

(cherry picked from commit dc8c32e without KafkaOperations change)

Author: garyrussell

spring-kafka/src/main/java/org/springframework/kafka/core/KafkaTemplate.java

@@ -169,6 +169,10 @@ public ListenableFuture<SendResult<K, V>> send(String topic, int partition, K ke
 		return doSend(producerRecord);
 	}
 
+	public ListenableFuture<SendResult<K, V>> send(ProducerRecord<K, V> record) {
+		return doSend(record);
+	}
+
 	@SuppressWarnings("unchecked")
 	@Override
 	public ListenableFuture<SendResult<K, V>> send(Message<?> message) {

src/reference/asciidoc/kafka.adoc

@@ -25,6 +25,8 @@ ListenableFuture<SendResult<K, V>> send(String topic, int partition, V data);
 
 ListenableFuture<SendResult<K, V>> send(String topic, int partition, K key, V data);
 
+ListenableFuture<SendResult<K, V>> send(ProducerRecord<K, V> record);
+
 ListenableFuture<SendResult<K, V>> send(Message<?> message);
 
 Map<MetricName, ? extends Metric> metrics();