refine update_pacfile
refine goagent.exe
refine autoproxy2pac
hide 10053 error
...
fix google+ talk
gtalk:5222 should not use common.GOOGLE_SITES
Merge pull request #145 from harmonymeow/patch-gtalk5222

gtalk:5222 should not use common.GOOGLE_SITES
add douban.fm adblock rule
refine update_pacfile
add online urlfiter.ini support
refine autoproxy2pac
Trigger PAC server on real IP

It should be done when listening on all interfaces
Merge pull request #146 from harmonymeow/patch-pacip

Trigger PAC server on real IP
refine proxy.pac
refine autoproxy2pac
remove dup proxy rule
add PacUtil class
refine PACServerHandler
fix autoproxy2pac bug