added batch_consumer class definition

Author: Bogdan Rancichi

Resources/config/rabbitmq.xml

@@ -14,6 +14,7 @@
         <parameter key="old_sound_rabbit_mq.consumer.class">OldSound\RabbitMqBundle\RabbitMq\Consumer</parameter>
         <parameter key="old_sound_rabbit_mq.multi_consumer.class">OldSound\RabbitMqBundle\RabbitMq\MultipleConsumer</parameter>
         <parameter key="old_sound_rabbit_mq.dynamic_consumer.class">OldSound\RabbitMqBundle\RabbitMq\DynamicConsumer</parameter>
+        <parameter key="old_sound_rabbit_mq.batch_consumer.class">OldSound\RabbitMqBundle\RabbitMq\BatchConsumer</parameter>
         <parameter key="old_sound_rabbit_mq.anon_consumer.class">OldSound\RabbitMqBundle\RabbitMq\AnonConsumer</parameter>
         <parameter key="old_sound_rabbit_mq.rpc_client.class">OldSound\RabbitMqBundle\RabbitMq\RpcClient</parameter>
         <parameter key="old_sound_rabbit_mq.rpc_server.class">OldSound\RabbitMqBundle\RabbitMq\RpcServer</parameter>