Fixed no setup SIG_ALRM
扩展编译的时候开启debug模式，输出信息swTrace

扩展编译的时候开启debug模式，输出信息swTrace
Merge pull request #58 from JoostShao/patch-2

enable debug mode in function swFactoryProcess_send2worker
Added swClient out_buffer
Update: enable DIRECT_SEND
Fixed dns_lookup warning
Fixed #59. zend_error replace to php_error_docref.
Update Readme
Update SWOOLE_BASE use out_buffer
use INADDR_LOOPBACK to check if the address is loop back address
Merge branch 'master' of https://github.com/matyhtf/swoole
Merge pull request #60 from ideal/master

Is it better to check whether an in_addr_t is loop back address using INADDR_LOOPBACK?
Update phpinfo message
Update version
Fixed compile error with ZTS
using travis
travis config
travis script
Update Readme
Update Readme