Renamed default codecs to jdk codecs

Author: artem-v

cluster-api/src/main/java/io/scalecube/cluster/metadata/DefaultMetadataCodec.java renamed to cluster-api/src/main/java/io/scalecube/cluster/metadata/JdkMetadataCodec.java

@@ -7,7 +7,7 @@
 import java.nio.ByteBuffer;
 import reactor.core.Exceptions;
 
-public class DefaultMetadataCodec implements MetadataCodec {
+public class JdkMetadataCodec implements MetadataCodec {
 
   @Override
   public Object deserialize(ByteBuffer buffer) {

cluster-api/src/main/java/io/scalecube/cluster/metadata/MetadataCodec.java

@@ -7,7 +7,7 @@
 public interface MetadataCodec {
 
   MetadataCodec INSTANCE =
-      ServiceLoaderUtil.findFirst(MetadataCodec.class).orElseGet(DefaultMetadataCodec::new);
+      ServiceLoaderUtil.findFirst(MetadataCodec.class).orElseGet(JdkMetadataCodec::new);
 
   /**
    * Deserializes metadata from buffer.

transport-parent/transport-api/src/main/java/io/scalecube/cluster/transport/api/DefaultMessageCodec.java renamed to transport-parent/transport-api/src/main/java/io/scalecube/cluster/transport/api/JdkMessageCodec.java

@@ -6,7 +6,7 @@
 import java.io.ObjectOutputStream;
 import java.io.OutputStream;
 
-public class DefaultMessageCodec implements MessageCodec {
+public class JdkMessageCodec implements MessageCodec {
 
   @Override
   public Message deserialize(InputStream is) throws IOException, ClassNotFoundException {

transport-parent/transport-api/src/main/java/io/scalecube/cluster/transport/api/MessageCodec.java

@@ -8,7 +8,7 @@
 public interface MessageCodec {
 
   MessageCodec INSTANCE =
-      ServiceLoaderUtil.findFirst(MessageCodec.class).orElseGet(DefaultMessageCodec::new);
+      ServiceLoaderUtil.findFirst(MessageCodec.class).orElseGet(JdkMessageCodec::new);
 
   /**
    * Deserializes message from given input stream.