make sure jgroups uses IPV4 (or IPV6) to fix jgroups discovery test failures on some machines
Merge pull request #764 from gaohoward/master

fix jgroups test failures 
Delete dead code from hornetq-server
Remove all unused methods from HornetQMessageBundle
Remove all unused (and unreleased) server logger methods
javadoc
remove unused (and unreleased) Client logger methods
Delete unused (and unreleased) methods from HornetQClientMessage
dead code from hornetq-core-client
Delete dead code from hornetq-journal
Remove unused log messages from hornetq-jms-server
Remove unused messages from hornetq-jms-client