Use daemon threads by default
bugfix for crlf
refine proxy.pac
fix 12944

https://code.google.com/p/goagent/issues/detail?id=12944
Merge pull request #3 from v3aqb/12944

fix 12944
Merge pull request #2 from polyrabbit/3.0

Use daemon threads by default
drop pacparser
add direct connect region
refine gae regions
refine gae regions
bugfix for gae region
bugfix for region
refine adblock pac handler
refine proxy.pac