Upgrade MQTT client version.

git-svn-id: https://svn.apache.org/repos/asf/activemq/activemq-apollo/trunk@1481122 13f79535-47bb-0310-9956-ffa450edef68
Update deps.

git-svn-id: https://svn.apache.org/repos/asf/activemq/activemq-apollo/trunk@1481123 13f79535-47bb-0310-9956-ffa450edef68