Merge branch 'devel'
remove python version of shadowsocks;
add libev version of shadowsocks;
add support of rc4 encrypt method;
remove update shadowsocks in goagent-update.sh;
upgrade version to 1.3.25
modify instruction of shadowsocks
fix shadowsocks method value;
update goagent config template
add English version
fix running in Chinese
upgrade version to 1.3.26
add channe log;
fix xib resource
release GoAgentX v1.3.26