fix a minor bug when unpacking string from skynet_socket_message
Merge pull request #176 from linan0827/master

fix a minor bug when unpacking string from skynet_socket_message
add log when listen
add message overload warning
bugfix: harbor service should not release before others
CHECK ABORT every message dispatch
CHECK ABORT every message dispatch
exit harbor before free socket
Delete duplicate include preprocessing directive
Merge branch 'dev' of github.com:chuenlungwang/skynet into dev