Merge pull request #4 from proxyio/dev

replace the socket transport layer by rex socket
Merge pull request #5 from proxyio/dev

scatter/gather send of sio transport
Merge pull request #7 from proxyio/dev

specified the getsetor for all transports
Merge pull request #8 from proxyio/dev

fix coding style
Merge pull request #9 from proxyio/dev

ulhash load balance strategy supported
Merge pull request #10 from proxyio/dev

add support consistent hash loadbalance strategy of SP_REQREP
Merge pull request #11 from proxyio/dev

[feature] fix
Merge pull request #12 from proxyio/dev

fix test
[feature] fix some binding code and add consistent_hash_benchmark
Merge pull request #15 from proxyio/dev

building proxyio on freebsd
Merge pull request #16 from proxyio/dev

turn POSIX's error retured into errno
[feature] add tools
[feature] fix
[feature] PROXYIO.ppt
[feature] CFLAGS
up
[bugfix] initialize the socket msgbuf size with a default size = 4096
Merge branch 'master', remote branch 'origin'
[feature] adjust tools/xsender.py
[feature] add some ev stats for xsocket