Merge pull request #832 from gaohoward/master

Fix test failure
removed unwanted hornetq-ra module
Merge pull request #833 from andytaylor/master

removed unwanted hornetq ra module
just alignment of test
HORNETQ-804 Improvements on compressing large message
Merge pull request #834 from clebertsuconic/master

HORNETQ-804 Improvements to compress large message
fix occassional test failure
blockOnAcknowledge should be true to avoid unacked messages being resent after live server crashes.