DATAREDIS-1000 - Polishing.

Deprecate raw() and introduce dedicated methods for byteArray and byteBuffer.

Original Pull Request: #459

src/test/java/org/springframework/data/redis/core/ReactiveOperationsTestParams.java

@@ -120,7 +120,7 @@ abstract public class ReactiveOperationsTestParams {
 						.key(stringRedisSerializer).value(doubleToStringSerializer).build());
 
 		ReactiveRedisTemplate<ByteBuffer, ByteBuffer> rawTemplate = new ReactiveRedisTemplate<>(lettuceConnectionFactory,
-				RedisSerializationContext.raw());
+				RedisSerializationContext.byteBuffer());
 
 		ReactiveRedisTemplate<String, Person> personTemplate = new ReactiveRedisTemplate(lettuceConnectionFactory,
 				RedisSerializationContext.fromSerializer(jdkSerializationRedisSerializer));

src/test/java/org/springframework/data/redis/serializer/RedisSerializationContextUnitTests.java

@@ -115,7 +115,7 @@ public class RedisSerializationContextUnitTests {
 	public void shouldEncodeAndDecodeRawByteBufferValue() {
 
 		RedisSerializationContext<ByteBuffer, ByteBuffer> serializationContext = RedisSerializationContext
-				.raw();
+				.byteBuffer();
 
 		ByteBuffer deserialized = serializationContext.getValueSerializationPair()
 				.read(serializationContext.getValueSerializationPair()