No need to send MQTT debugging to console anymore.

git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@1484318 13f79535-47bb-0310-9956-ffa450edef68
Added a leveldb version of the queue browsing test.

git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@1484319 13f79535-47bb-0310-9956-ffa450edef68