accept parent proxy like '127.0.0.1:8087'
add default port for parent proxy
update gfwlist
update fgfw-lite.py
fix parent proxy
disable goagent proxy autodetect
refactor sssocket
untested, but sssocket should support http proxy now
apply parent proxy to shadowsocks
add default goagent appid
update readme.md
add basic auth for http proxy
update goagentHandler, support http proxy with basic auth
add parent proxy config in userconf.ini
fix shadowsocks with http proxy and basic auth
bump to v4.1.0
Merge pull request #9 from v3aqb/0.4

support lan environment require setting a proxy server. bump to v4.1.0. fix #7