Merge pull request #1316 from clebertsuconic/master

https://issues.jboss.org/browse/HORNETQ-1263 - set up max-redelivery-delay
First crack on moving hornetq to netty 4
Simplify
Fix test
Use the optimal ByteBufAllocator depending on the transport implementation
Need to flush also
Use correct EventExecutor in the ChannelGroup
Fix bug and tests
Bump up netty version
More bug-fixes
Fix up
Fix up decoder
Fix compare