https://issues.apache.org/jira/browse/AMQ-4000 - tracking subscription commands causes a problem with replay outside of activate - can reset a sub ack locations - regression in AMQ2149Test. Fixed by ignoring sub add during recovery replay

git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@1511306 13f79535-47bb-0310-9956-ffa450edef68
https://issues.apache.org/jira/browse/AMQ-4665 - fix auto ack on duplicate, now use poison ack. For client ack allow replay after failover. Additional tests to validate new behaviour

git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@1511307 13f79535-47bb-0310-9956-ffa450edef68