optimize global unique service query
assert service name is string
make service mgr simple
add snax.uniqueservice (and others)
service_mgr support list, add a debug command to debug_console
change name from pub/subscribe to post/accept
use skynet malloc api directly
use skynet_malloc api
use skynet_malloc in skynet_realloc
Merge pull request #95 from cloudwu/malloc

Use skynet_malloc api directly
try connect only once at first time
Merge branch 'master' of github.com:cloudwu/skynet
add profile module, and use it in snax
bugfix: profile queue accept
use macro NANOSEC MICROSEC
return 0 while task_info error
Merge pull request #96 from cloudwu/profile

Profile
add socket.bind
Clear request queue when channel disconnected
bugfix: socket channel reconnect