https://issues.apache.org/jira/browse/AMQ-5379 - use zero prefetch if consumer credit is unknown when connecting
https://issues.apache.org/jira/browse/AMQ-5438 - improve kahadb archive logs. This closes #50
https://issues.apache.org/jira/browse/AMQ-2719 - resolve possible skipped dispatch - https://issues.apache.org/jira/browse/AMQ-2106 - remove overload so that distribution order is not compromised when consumers are removed with a valid last delivered sequence. Additional test that uses consumer recreation to redistribute groups
tidy up test code layout
https://issues.apache.org/jira/browse/AMQ-5476 - fix and test - https://issues.apache.org/jira/browse/AMQ-2790 - default messagePrioritySupported=false
prevent test from pulling in persistence adapter from default location, persistence is not required for this test