Merge bug23839 (Add capabilities to client connection)

Author: Simon MacMullen

src/com/rabbitmq/client/impl/AMQConnection.java

@@ -61,14 +61,19 @@ public class AMQConnection extends ShutdownNotifierComponent implements Connecti
      * @see Connection#getClientProperties
      */
     public static Map<String, Object> defaultClientProperties() {
+        Map<String, Object> capabilities = new HashMap<String, Object>();
+        capabilities.put("publisher_confirms", true);
+        capabilities.put("exchange_exchange_bindings", true);
+        capabilities.put("basic.nack", true);
         return Frame.buildTable(new Object[] {
                 "product", LongStringHelper.asLongString("RabbitMQ"),
                 "version", LongStringHelper.asLongString(ClientVersion.VERSION),
                 "platform", LongStringHelper.asLongString("Java"),
                 "copyright", LongStringHelper.asLongString(
                     "Copyright (C) 2007-2011 VMware, Inc."),
                 "information", LongStringHelper.asLongString(
-                    "Licensed under the MPL. See http://www.rabbitmq.com/")
+                    "Licensed under the MPL. See http://www.rabbitmq.com/"),
+                "capabilities", capabilities
             });
     }