implementation of store based cursors for Queues and Durable Subscribers, to fix: http://issues.apache.org/activemq/browse/AMQ-845 http://issues.apache.org/activemq/browse/AMQ-1062 http://issues.apache.org/activemq/browse/AMQ-1061 http://issues.apache.org/activemq/browse/AMQ-493 http://issues.apache.org/activemq/browse/AMQ-914