HORNETQ-1325 : listMessagesAsJSON method fails to list messages if the filter property contians \n character.
Merge pull request #1574 from gaohoward/hq1325_2.3.x

HORNETQ-1325 : listMessagesAsJSON method fails to list messages if the filter property contians \n character.
https://bugzilla.redhat.com/show_bug.cgi?id=1014099 - False warnings on ExpiryQueue not being deployed, also improving https://bugzilla.redhat.com/show_bug.cgi?id=1014103

revert log on non existent expiry / DLQ