Moved Netty messaging out of onos-core-dist to under onos-utils
diff --git a/utils/netty/src/main/java/org/onlab/netty/messaging/MessageHandler.java b/utils/netty/src/main/java/org/onlab/netty/messaging/MessageHandler.java
new file mode 100644
index 0000000..7bd5a7f
--- /dev/null
+++ b/utils/netty/src/main/java/org/onlab/netty/messaging/MessageHandler.java
@@ -0,0 +1,16 @@
+package org.onlab.netty;
+
+import java.io.IOException;
+
+/**
+ * Handler for a message.
+ */
+public interface MessageHandler {
+
+ /**
+ * Handles the message.
+ * @param message message.
+ * @throws IOException.
+ */
+ public void handle(Message message) throws IOException;
+}