[TORQUE-959] expose the message_ttl for backgroundable futures

This commit makes it possible to change the message ttl for the future
message.
Update production-setup.xml

Added an entry for 'jgroups-diagnostics' in socket-binding-group that was missing.
Merge pull request #160 from aemadrid/master

Fixing missing line for documentation on clustering without multicast
Merge pull request #157 from goldmann/TORQUE-959-ttl-futures

[TORQUE-959] expose the message_ttl for backgroundable futures