Update README.md
bugfix for Request timed out: timeout('timed out',)
Delete www6.l.google.com

www6.l.google.com just has the CNAME of www.l.google.com
So they are the same
Some DNS changes

Add OpenDNS (208.67.222.222, 208.67.220.220)
Remove 37.208.111.120 from blacklist because it is not used by GFW for DNS poisoning
Merge pull request #53 from zzq1015/patch-2

Some DNS changes
Merge pull request #52 from zzq1015/patch-1

Delete www6.l.google.com
Merge remote-tracking branch 'upstream/3.0' into 3.0