cluster support
single node mode
daemon mode
add pidfile for daemon
don't unlock pidfile after write pid
daemon is deprecarted in macosx
remove unused mq api
Merge branch 'master' into dev
optimize message dispatch
Merge branch 'dev' of github.com:cloudwu/skynet into dev
use jemalloc release 3.6.0
optimize timer
bson : check string length
Merge pull request #116 from cloudwu/dev

merge dev version
update history
turn off memory hook in freeBSD
invalid length may nagtive
bugfix: in freebsd, libthr may call calloc before globalinit
check mongo reply data stream
bugfix: lua mongo result