update submodule 'libj'
print error codes on debug mode
link libnode to libjsdp
link libnode to libjsonrpc
add the new methods 'start', 'stop', 'isRunning', 'hostname' and 'setHostname' to DiscoveryService
add the new methods 'start', 'stop' and 'isRunning' to Service
fix memory leaks
fix segmentation faults in bdw-gc mode
fix segmentation faults in bdw-gc mode
change a port number
refactor streams