introduce connector
Merge pull request #3 from xiangli-cmu/master

Add listener and introduce connectors in proxy
finish test proxy redirect
Merge pull request #5 from fengjingchao/master

finish test proxy redirect
add stop function
Merge pull request #7 from xiangli-cmu/master

add stop function
remoteAddr should be an array
Merge https://github.com/go-distributed/raccoon
fix test
Merge pull request #8 from xiangli-cmu/master

proxy features multiple remote addrs