Merge branch 'swoole-master'
Merge branch 'master' of git://github.com/swoole/swoole-src
Merge branch 'master' of https://github.com/swoole/swoole-src
Update use signalfd
Clean signal_mask.
* Added tcp_fastopen. 
* Added unittest framework.
Fixed segment fault when use swoole_server_addtimer.
Update http_server examples
Fixed duplicate onClose bug.
No warning when server->close.
Fixed duplicate onClose.
Free memory when timer destroy
Added serv->package_max_length default value.
Merge branch 'master' of https://github.com/swoole/swoole-src
Update http_server.php
修复客户端关闭时, 清除缓冲区BUG
Fixed #130
Merge branch 'master' of github.com:swoole/swoole-src
Added thirdparty libary php_http_parser
Merge pull request #131 from samt42/fixbug

Fixbug