Upgrade to hawtio 1.2M19
https://issues.apache.org/jira/browse/AMQ-4731

Just use a concurrent linked queue, makes the code much simpler and
doesn't hurt performance overall
Make the mKahaDB store agnostic to the nested persistence adapter type.
Fixes NPE that was occurring.
Don't assume all persistence store use the same default directory.
Implementing AMQ-4744: Support using LevelDB as a nested store in mKahaDB
AMQ-4745: Upgrade to json-simple 1.1.1. Thanks to Jean Baptiste for the patch.
AMQ-4749: Upgrade to Xerces 2.11. Thanks to Jean Baptiste for the patch.
AMQ-4751: Upgrade to commons io 2.4. Thanks to Jean Baptiste for the patch.
AMQ-4752: Upgrade derby. Thanks to Jean Baptiste for the patch.
AMQ-4750: Include details about 2 web consoles now in distro.
AMQ-4747: Fixed so AMQ dont log WARNs to system out on startup. Disbled the insight module as it need a new release with a fix.
https://issues.apache.org/jira/browse/AMQ-4375

Remove hanging test from build for now.
https://issues.apache.org/jira/browse/AMQ-4757 activemq-jms-pool a generic jms xa pool derived from activemq-pool which activemq-pool now extends with amq specifics
https://issues.apache.org/jira/browse/AMQ-4092 - add unit test that reproduced
https://issues.apache.org/jira/browse/AMQ-4702 - make org.jvnet.jaxb2_commons*;resolution:=optional so we don't pull in a jaxb2 dep unless we want it
fix mvn warning on duplicate dependencies.dependency.\(groupId:artifactId:type:classifier\) must be unique: org.osgi:org.osgi.core:jar -> version 4.3.1 vs \(?\) \@ line 195, column 17
https://issues.apache.org/jira/browse/AMQ-4758 - improve performance of pull consumers
https://issues.apache.org/jira/browse/AMQ-4365 - fix up LeaseDatabaseLockerTest config, needs a lockable instance
https://issues.apache.org/jira/browse/AMQ-4682 - add original lastupdate time to info message