bugfix: stdin is 0
update PTYPE_* macro
use skynet_error for memory dump
lua service launch错误时，移除services中记录

lua service launch错误后,没有移除 launcher.lua里services中的服务记录，导致debug_console中的list mem等命令返回数据不正确
Merge pull request #112 from zhoukk/master

remove services when launch error.
update history
Merge pull request #113 from cloudwu/dev

bugfix
fix the missing of 'Welcome to skynet' in example
Merge pull request #114 from tangyi/minor-fix

fix the missing of 'Welcome to skynet' in example
update lua-bson to fix the 32bit signed int bug
concurrence bugfix
cluster support
single node mode
daemon mode
add pidfile for daemon
don't unlock pidfile after write pid
daemon is deprecarted in macosx
bugfix: check globalmq push is complete
remove unused mq api
Merge branch 'master' into dev