Merge pull request #1553 from clebertsuconic/master-fix

fixing headers on Vertx integration
https://issues.jboss.org/browse/HORNETQ-1331 Multi protocol refactoring
This is the first pass. There are a few issues here that we are still working on...
So, this will improve over time... it's a first pass only
Merge pull request #1554 from clebertsuconic/master-multiprotocol

https://issues.jboss.org/browse/HORNETQ-1331 Multi protocol refactoring
HORNETQ-1323 - Scale-down by transferring messages on clean shutdown
Merge pull request #1556 from jbertram/master_hook

HORNETQ-1323 - Scale-down by transferring messages on clean shutdown