resolve regression with offline durable subs and jdbc, if there are no messages in the store and some consumed messages, the durable is not reactivated and subsequent messages can get deleted before they are consumed. Reduce the duplicate replays to a topic store cursor by tracking the last recovered. additional test
activemq/trunk/activemq-core/src/main/java/org/apache/activemq/store/jdbc/JDBCTopicMessageStore.java