Set timeout default value to 600, the same value of mainstream shadowsocks-nodejs.
Set timeout default value to 600, the same value of mainstream shadowsocks-nodejs.

Morgan-Leon/shadowsocks-heroku,louy2/shadowsocks-heroku,liang860908/shadowsocks-heroku,liyonghelpme/shadowsocks-heroku,sheofir/shadowsocks-heroku,dinglx/shadowsocks-heroku,mrluanma/shadowsocks-heroku