Merge pull request #1679 from clebertsuconic/upmaster

Adding data tool to rollback TXs or delete data
https://issues.jboss.org/browse/HORNETQ-1362 - no longer remove bindings on bridge reconnect
Merge pull request #1680 from andytaylor/bridge_disconnect

https://issues.jboss.org/browse/HORNETQ-1362
Handle SnF queues on nodes that don't receive the scale-down
fix quorum voting when node number = 2
Merge pull request #1683 from andytaylor/master

test fix and fix quorum voting when node number = 2
Merge pull request #1682 from jbertram/master-snf-refactor

Handle SnF queues on nodes that don't receive the scale-down
simple benchmak
fixing bench