Merge pull request #1614 from jbertram/2.3.x

HORNETQ-1337 - Policy Fail may drop messages before it sends the excepti...
HORNETQ-1344 StompProtocolManager never cleans up destinations member
Merge pull request #1626 from gaohoward/2.3.x_HORNETQ-1344

HORNETQ-1344 StompProtocolManager never cleans up destinations member
simply adding logs on JMS Bridge to better understand issues when they happen
Merge pull request #1638 from clebertsuconic/2.3.x.fix

just logs
https://bugzilla.redhat.com/show_bug.cgi?id=1096942 - Fixing Clustered Grouping issues
Collaboration Clebert / Justin and Andy
Merge pull request #1639 from clebertsuconic/2.3.x.fix

https://bugzilla.redhat.com/show_bug.cgi?id=1096942 - Fixing Clustered Grouping issues
ClusteredResetMockTest is using 1000 threads on the test. 100 is enough (some instances on hudson/jenkins can fail with OME with this many threads, and we don't need this many)
removing duplicate definition of checkstyle
Releasing 2.3.19.Final
back to snapshot
Merge pull request #1641 from clebertsuconic/2.3.x.fix

preparing the release on 2.3.19
removing invalid IDE settings
fixing argline for Idea Integration (if you were using Idea on 2.3.x sometimes you can't run tests here)
Merge pull request #1643 from clebertsuconic/2.3.x.fix

ide settings fixes
HORNETQ-1313 - Resource adapter leaks connections